| Série et histoire ↓ ↑ | Date ↓ ↑ | Scénariste(s) / Dessinateur(s) / Encreur(s) |
✓ : publié en VF
✗ : inédit en VF
| ✓ Amazing Spider-Man (1°) #278 — If This Be Justice... | 07/1986 | Tom DeFalco, Peter David, Jo Duffy (as Mary Jo Duffy) / Mike Harris / Vince Colletta |
| ✓ Batman (1°) #413 — The Ghost of Masahiko Tahara | 11/1987 | Jo Duffy / Kieron Dwyer / Mike DeCarlo |
| ✓ Batman: Black and White (1°) #4 — The Third Mask | 09/1996 | Katsuhiro Otomo, Jo Duffy / Katsuhiro Otomo / Katsuhiro Otomo |
| ✗ Bizarre Adventures #27 — Iceman - Winter Carnival | 07/1981 | Jo Duffy (as Mary Jo Duffy) / George Pérez, Alfredo Alcala / Alfredo Alcala |
| ✗ Bizarre Adventures #27 — Nightcrawler - Show Me The Way To Go Home... | 07/1981 | Bob Layton, Jo Duffy (as Mary Jo Duffy) / Dave Cockrum / Ricardo Villamonte |
| ✗ Bizarre Adventures #28 — Triton - Conscience of the King | 10/1981 | Jo Duffy (as Mary Jo Duffy) / Wendy Pini / Wendy Pini |
| ✗ Bloodpool #1 — Discharged | 08/1995 | Jo Duffy / Pat Lee / Jaime Mendoza |
| ✗ Bloodpool #2 — The Hills Are Alive! | 09/1995 | Jo Duffy / Pat Lee / Jaime Mendoza |
| ✗ Bloodpool #3 — Walk like an Egyptian | 10/1995 | Jo Duffy / Pat Lee / Marlo Alquiza, Sean Parsons (as Sean P. Parsons) |
| ✗ Bloodpool #4 — A Date with an Angel | 11/1995 | Jo Duffy / Ching Lau / Danny Miki, Jon Sibal |
| ✗ Bloodpool #4 — Mummy's Boy | 11/1995 | Jo Duffy / Michael Chang, Pat Lee, Logan Lubera / Marlo Alquiza, Danny Miki |
| ✗ Catwoman (2°) #1 — Life Lines, Chapter One: Rough Diamonds! | 08/1993 | Jo Duffy / Jim Balent / Dick Giordano |
| ✗ Catwoman (2°) #2 — Life Lines, Chapter Two: Blast from the Past! | 09/1993 | Jo Duffy / Jim Balent / Dick Giordano, Frank McLaughlin |
| ✗ Catwoman (2°) #3 — Life Lines, Chapter Three: Shadow of the Cat! | 10/1993 | Jo Duffy / Jim Balent / Dick Giordano, Frank McLaughlin |
| ✗ Catwoman (2°) #4 — Life Lines, Chapter Four: Full Circle | 11/1993 | Jo Duffy / Jim Balent / Dick Giordano |
| ✗ Catwoman (2°) #5 — Nun Better! | 12/1993 | Jo Duffy / Jim Balent / Dick Giordano |
| ✓ Catwoman (2°) #6 — Knightquest the Search - Animal Rites | 01/1994 | Jo Duffy / Jim Balent / Dick Giordano |
| ✓ Catwoman (2°) #7 — Knightquest the Crusade - Body Chemistry | 02/1994 | Jo Duffy / Jim Balent / Dick Giordano |
| ✗ Catwoman (2°) #8 — Zephyr | 03/1994 | Jo Duffy / Jim Balent / Ande Parks |
| ✗ Catwoman (2°) #9 — Happyland | 04/1994 | Jo Duffy / Jim Balent / Ande Parks |
| ✗ Catwoman (2°) #10 — Falling Star | 05/1994 | Jo Duffy / Jim Balent / Ande Parks |
| ✗ Catwoman (2°) #11 — Tin Men | 06/1994 | Jo Duffy / Jim Balent / Ande Parks |
| ✓ Catwoman (2°) #12 — KnightsEnd, Part Six: Fire in the Sky | 07/1994 | Jo Duffy, Chuck Dixon / Jim Balent / Rick Burchett |
| ✗ Catwoman (2°) #13 — KnightsEnd, Aftermath: Catfish | 08/1994 | Jo Duffy / Jim Balent / Bob Smith |
| ✗ Catwoman (2°) #14 — Zero Hour - Broken Mirrors | 09/1994 | Jo Duffy / Jim Balent / Bob Smith |
| ✓ Classic X-Men #18 — | 02/1988 | Jo Duffy (as Mary Jo Duffy) / John Bolton / John Bolton |
| ✓ Classic X-Men #20 — | 04/1988 | Jo Duffy (as Mary Jo Duffy) / John Bolton / John Bolton |
| ✗ Classic X-Men #20 — Storm - Mother of the Bride | 04/1988 | Jo Duffy (as Mary Jo Duffy) / John Bolton / John Bolton |
| ✓ Conan the Barbarian (Marvel - 1°) #146 — Night of the Three Sisters | 05/1983 | Jo Duffy (as Mary Jo Duffy) / John Buscema / Brett Breeding, Robert Campanella |
| ✓ Daredevil (1°) #157 — The Ungrateful Dead! | 03/1979 | Roger McKenzie, Jo Duffy (as Mary Jo Duffy) / Gene Colan / Klaus Janson |
| ✗ Dark Horse Presents (1°) #56 — Fancies (1) | 11/1991 | Jo Duffy / Joven Chacon / Joven Chacon |
| ✗ Dark Horse Presents (1°) #58 — Fancies 2: Mikio O | 01/1992 | Jo Duffy / Joven Chacon / Joven Chacon |
| ✗ Dark Horse Presents (1°) #67 — Money for Nothing | 11/1992 | Jo Duffy / Maya Sakamoto / Maya Sakamoto |
| ✗ Dark Horse Presents (1°) #68 — Swimming Lessons | 12/1992 | Jo Duffy / Maya Sakamoto / Maya Sakamoto |
| ✗ Dark Horse Presents (1°) #69 — Survival Skills | 02/1993 | Jo Duffy / Maya Sakamoto / Maya Sakamoto |
| ✓ Defenders (1°) #69 — The Anything Man | 03/1979 | Jo Duffy (as Mary Jo Duffy) / Herb Trimpe / Al Milgrom |
| ✗ Defenders (2°) #12 — Fooling with Mother Nature | 02/2002 | Jo Duffy (as Mary Jo Duffy), Kurt Busiek / Ivan Reis / Randy Emberlin |
| ✓ Detective Comics (1°) #582 — Millennium Week 4 - Batman - Sole Survivor | 01/1988 | Jo Duffy / Norm Breyfogle / Pablo Marcos |
| ✗ Doom 2099 #25 — Feng Huang - Reflections of a Falling Star | 01/1995 | Jo Duffy (as Mary Jo Duffy) / Leo Durañona (as Leopoldo Duranona) / Leo Durañona (as Leopoldo Duranona) |
| ✗ Epic Illustrated #13 — Fantasy Between the Covers | 08/1982 | Jo Duffy (as Mary Jo Duffy) / Richard Corben, Henry Holiday, Joseph A. Smith, Kevin Maddison, George Gershinowitz / |
| ✓ Epic Illustrated #18 — Lost Bones | 06/1983 | Jo Duffy / Kent Williams / Kent Williams |
| ✗ Epic Illustrated #18 — The Art of Go Nagai | 06/1983 | Jo Duffy / Gō Nagai / Gō Nagai |
| ✓ Epic Illustrated #19 — Marghinee | 08/1983 | Jo Duffy / Kent Williams / Kent Williams |
| ✓ Epic Illustrated #21 — Marooned | 12/1983 | Jo Duffy / Kent Williams / Kent Williams |
| ✓ Epic Illustrated #25 — Did You Hear the One About the Traveling Ogre and the Mayor's Daughter? | 08/1984 | Jo Duffy / John Bolton / John Bolton |
| ✗ Epic Illustrated #25 — Space Cruiser Yamato | 08/1984 | Jo Duffy / / |
| ✗ Epic Illustrated #30 — The Sign | 06/1985 | Jo Duffy / Kent Williams / |
| ✗ Epic Illustrated #34 — Horizon Lights | 02/1986 | Jo Duffy / T. Sagara / T. Sagara |
| ✓ Fallen Angels (1°) #1 — Runaway | 04/1987 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Tom Palmer |
| ✓ Fallen Angels (1°) #2 — I'll Take The High Road And I'll Take The Low Road And I'll Get To Sunspot Before Me | 05/1987 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Tom Palmer |
| ✓ Fallen Angels (1°) #3 — Every Card Is Wild | 06/1987 | Jo Duffy (as Mary Jo Duffy) / Marie Severin / Tom Palmer |
| ✓ Fallen Angels (1°) #4 — A Devil Among the Angels! | 07/1987 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Val Mayerik |
| ✓ Fallen Angels (1°) #5 — Lost and Found | 08/1987 | Jo Duffy (as Mary Jo Duffy) / Joe Staton / Val Mayerik |
| ✓ Fallen Angels (1°) #6 — The Coconut Grove | 09/1987 | Jo Duffy (as Mary Jo Duffy) / Joe Staton / Val Mayerik |
| ✓ Fallen Angels (1°) #7 — Triple Cross | 10/1987 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Tom Palmer |
| ✓ Fallen Angels (1°) #8 — Grownups and children | 11/1987 | Jo Duffy (as Mary Jo Duffy) / Joe Staton / Tony DeZuniga |
| ✗ Glory (1° run : Image) #0 — Reflecting Pool | 03/1999 | Jo Duffy / Mike Deodato Jr., Carlos Mota / Mike Deodato Jr., Carlos Mota |
| ✗ Glory (1° run : Image) #1 — Who Wrote the Book of Love?, Chapter 1 | 03/1995 | Jo Duffy / Mike Deodato Jr. / Mike Deodato Jr. |
| ✗ Glory (1° run : Image) #2 — Who Wrote the Book of Love?, Chapter 2 | 04/1995 | Jo Duffy / Mike Deodato Jr. / Mike Deodato Jr. |
| ✗ Glory (1° run : Image) #3 — Who Wrote the Book of Love?, Chapter 3 | 05/1995 | Jo Duffy / Mike Deodato Jr. / Mike Deodato Jr. |
| ✗ Glory (1° run : Image) #4 — Who Wrote the Book of Love?, Chapter 4 | 06/1995 | Jo Duffy / Mike Deodato Jr., Carlos Mota / Mike Deodato Jr., Carlos Mota |
| ✗ Glory (1° run : Image) #5 — Supreme Evil | 07/1995 | Jo Duffy / Mike Deodato Jr., Carlos Mota, Emir Ribeiro / |
| ✗ Glory (1° run : Image) #6 — Social Ills | 09/1995 | Jo Duffy / Mike Deodato Jr., Carlos Mota, Emir Ribeiro / |
| ✗ Glory (1° run : Image) #7 — Patriot and Super Patriot | 10/1995 | Jo Duffy / Mike Deodato Jr., Emir Ribeiro / |
| ✗ Glory (1° run : Image) #8 — Babewatch, Part II | 11/1995 | Jo Duffy / Mike Deodato Jr., Carlos Mota / Mike Deodato Jr., Carlos Mota |
| ✗ Glory (1° run : Image) #9 — The Violence of Truth | 01/1996 | Jo Duffy / Deodato Studios, Ed Benes / |
| ✗ Glory (1° run : Image) #10 — Rage of Angels, Part 4 | 03/1996 | Jo Duffy / Ed Benes / Jon Sibal |
| ✗ Glory (1° run : Image) #11 — Intruder | 04/1996 | Jo Duffy / Ed Benes / Jon Sibal |
| ✗ Glory (1° run : Image) #12 — Kingslayer Past Perfect | 05/1996 | Jo Duffy / Ed Benes / Marlo Alquiza, Al Gordon, Andy Park, Sean Parsons, Lary Stucker |
| ✗ Glory (1° run : Image) #14 — Falling Asleep | 07/1996 | Jo Duffy / Ed Benes / Jon Sibal |
| ✗ Glory (1° run : Image) #15 — Family Secrets | 09/1996 | Jo Duffy / J. Morrigan / Pam Eklund |
| ✗ Glory (2° run : Maximum) #17 — Infernity | 11/1996 | Jo Duffy / Ed Benes / Norm Rapmund, Jon Sibal, Lary Stucker |
| ✗ Glory (2° run : Maximum) #19 — Queen's Gambit | 01/1997 | Jo Duffy / J. Morrigan / Al Gordon, Lary Stucker |
| ✗ Glory (2° run : Maximum) #20 — Troubled Waters | 02/1997 | Jo Duffy / J. Morrigan / Al Gordon, Lary Stucker |
| ✗ Glory (2° run : Maximum) #21 — Fatherland | 03/1997 | Jo Duffy / J. Morrigan / Al Gordon, Lary Stucker |
| ✗ Glory (2° run : Maximum) #22 — Ninth Planet | 04/1997 | Jo Duffy / J. Morrigan / Al Gordon, Lary Stucker |
| ✓ Incredible Hulk (2°) Annual #11 — Doc Samson - Unus Unchained! | 1982 | Jo Duffy (as Mary Jo Duffy) / Frank Miller / Steve Mitchell |
| ✗ Kickers, Inc. #3 — The Witches of Westchester! | 01/1987 | Tom DeFalco, Jo Duffy (as Mary Jo Duffy) / Ron Frenz / Sam DeLaRosa, Brett Breeding |
| ✗ Marvel Comics Presents (1°) #14 — Speedball - The Feathered Felon | 03/1989 | Steve Ditko, Jo Duffy (as Mary Jo Duffy) / Steve Ditko / Steve Ditko |
| ✗ Marvel Comics Presents (1°) #42 — Daughters of the Dragon - Armed and Dangerous | 01/1990 | Jo Duffy (as Mary Jo Duffy) / Chris Tsuda / Dan Adkins |
| ✗ Marvel Comics Presents (1°) #56 — Speedball - Any Number Can Play | 08/1990 | Steve Ditko, Jo Duffy (as Mary Jo Duffy) / Steve Ditko / Sam Grainger |
| ✗ Marvel Comics Presents (1°) #80 — Daughters of the Dragon - Child's Play | 07/1991 | Jo Duffy (as Mary Jo Duffy) / Chris Tsuda / Joe Rosas |
| ✗ Marvel Fanfare (1°) #10 — Mowgli - How Fear Came | 09/1983 | Jo Duffy (as Mary Jo Duffy) / Gil Kane / P. Craig Russell |
| ✗ Marvel Fanfare (1°) #11 — Wolf-Boy - Kaa's Hunting | 11/1983 | Jo Duffy (as Mary Jo Duffy) / Gil Kane / P. Craig Russell |
| ✓ Marvel Fanfare (1°) #14 — Quicksilver - Against Attilan | 05/1984 | Jo Duffy (as Mary Jo Duffy) / Alan Weiss / Alan Weiss |
| ✗ Marvel Fanfare (1°) #38 — Dazzler and Rogue - Duet | 06/1988 | Jo Duffy (as Mary Jo Duffy) / Colleen Doran / Terry Austin |
| ✗ Marvel Fanfare (1°) #38 — Moon Knight - Whatever Happened to the Podunk Slam? | 06/1988 | Jo Duffy (as Mary Jo Duffy) / Judith Hunt / Bill Sienkiewicz |
| ✗ Marvel Fanfare (1°) #50 — X-Factor - If I Had the Wings of an Angel... | 04/1990 | Jo Duffy (as Mary Jo Duffy) / Joe Staton / Joe Rubinstein |
| ✗ Marvel Graphic Novel #36 — Willow | 1988 | Jo Duffy (as Mary Jo Duffy) / Bob Hall / Romeo Tanghal |
| ✓ Marvel Graphic Novel #40 — The Punisher: Assassin's Guild | 1988 | Jo Duffy (as Mary Jo Duffy) / Jorge Zaffino / Jorge Zaffino |
| ✗ Marvel Premiere #60 — Doctor Who - Hello, Goodbye, Hello (or, Who's Coming And Who's Going) | 06/1981 | Jo Duffy (as Mary Jo Duffy) / Walt Simonson (as Walter Simonson) / Walt Simonson (as Walter Simonson) |
| ✗ Marvel Super Heroes (2°) #5 — Speedball - Jolly Roger | 04/1991 | Steve Ditko, Jo Duffy (as Mary Jo Duffy) / Steve Ditko / Mark Badger |
| ✗ Marvel Super Heroes (2°) #6 — Speedball - The Bouncer | 07/1991 | Steve Ditko, Jo Duffy (as Mary Jo Duffy) / Steve Ditko / Dan Adkins |
| ✗ Marvel Team-Up (1°) #125 — Dr Strange and Scarlet Witch - Cross Fire | 01/1983 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Dan Green |
| ✗ Marvel Treasury Edition #24 — Hercules - Welcome To the Hotel Macedonia | 1979 | Jo Duffy (as Mary Jo Duffy) / Ricardo Villamonte / Ricardo Villamonte |
| ✓ Marvel Treasury Edition #26 — Wolverine and Hercules - At the Sign of the Lion | 1980 | Jo Duffy (as Mary Jo Duffy) / Ken Landgraf / George Pérez |
| ✓ Marvel Two-in-One #49 — The Thing and Doctor Strange - Curse of Crawlinswood | 03/1979 | Jo Duffy (as Mary Jo Duffy) / Alan Kupperberg / Gene Day |
| ✗ Moon Knight (2°) #5 — Debts And Balances | 11/1985 | Jo Duffy (as Mary Jo Duffy) / Chris Warner / Alan Kupperberg |
| ✗ Night Music #3 — The King's Ankus | 03/1985 | Jo Duffy / P. Craig Russell / P. Craig Russell |
| ✓ Official Handbook of the Marvel Universe (1°) #6 — K'un-Lun | 06/1983 | Mark Gruenwald, Eliot R. Brown / Jo Duffy (as Mary Jo Duffy), Eliot R. Brown / Joe Rubinstein, Eliot R. Brown |
| ✗ Order (1°) #1 — The Best Defense... | 04/2002 | Jo Duffy (as Mary Jo Duffy), Kurt Busiek / Matt Haley / Dan Panosian |
| ✗ Order (1°) #2 — It's Our World | 05/2002 | Jo Duffy (as Mary Jo Duffy), Kurt Busiek / Chris Batista / Dan Panosian |
| ✗ Order (1°) #3 — Ultimatum: Avengers! | 06/2002 | Jo Duffy (as Mary Jo Duffy), Kurt Busiek / Luke Ross, Matt Haley / Dan Panosian |
| ✗ Order (1°) #4 — Norrin's Rib | 07/2002 | Jo Duffy (as Mary Jo Duffy), Kurt Busiek / Dan Jurgens / Bob Layton |
| ✗ Order (1°) #5 — Blinded by Science | 08/2002 | Jo Duffy (as Mary Jo Duffy), Kurt Busiek / Ivan Reis / Joe Pimentel |
| ✗ Order (1°) #6 — Out of Order | 09/2002 | Jo Duffy (as Mary Jo Duffy), Kurt Busiek / Matt Haley / Dan Panosian |
| ✓ Power Man and Iron Fist (1°) #56 — The Scarab's Sting! | 04/1979 | Jo Duffy (as Mary Jo Duffy) / Trevor Von Eeden / Frank Springer |
| ✓ Power Man and Iron Fist (1°) #57 — Pharaohs on Broadway! | 06/1979 | Jo Duffy (as Mary Jo Duffy) / Trevor Von Eeden / Frank Springer |
| ✓ Power Man and Iron Fist (1°) #58 — El Aguila Has Landed! | 08/1979 | Jo Duffy (as Mary Jo Duffy) / Trevor Von Eeden / Dan Green |
| ✓ Power Man and Iron Fist (1°) #59 — Big Apple Bomber | 10/1979 | Jo Duffy (as Mary Jo Duffy) / Trevor Von Eeden / Al Gordon |
| ✓ Power Man and Iron Fist (1°) #60 — The Terrorist Manifesto! | 12/1979 | Jo Duffy (as Mary Jo Duffy) / Marie Severin / Steve Leialoha |
| ✓ Power Man and Iron Fist (1°) #61 — Who's Been Sleeping in My Grave? | 02/1980 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Bruce Patterson |
| ✓ Power Man and Iron Fist (1°) #62 — One Must Die | 04/1980 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Kerry Gammill |
| ✓ Power Man and Iron Fist (1°) #63 — Luck and Death | 06/1980 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #64 — The Last Gamble | 08/1980 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Dan Green, Jon D'Agostino |
| ✓ Power Man and Iron Fist (1°) #65 — An Eagle in the Aerie | 10/1980 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #66 — The Jade Tiger! | 12/1980 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #67 — Power Men | 02/1981 | Bob Layton, Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #68 — Where Enemies Gather | 04/1981 | Bob Layton, Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #69 — Victim Times Three! | 05/1981 | Steven Grant, Jo Duffy (as Mary Jo Duffy) / Alan Weiss / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #70 — Coconut Show | 06/1981 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #71 — The Mountain Comes to Manhattan | 07/1981 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Diverse Hands |
| ✓ Power Man and Iron Fist (1°) #72 — Paper Tiger! | 08/1981 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #73 — Wraith, Color or Creed | 09/1981 | Jo Duffy (as Mary Jo Duffy) / Greg LaRocque / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #74 — Doorway to Heaven | 10/1981 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #75 — The Insubstantial Pageant Faded | 11/1981 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #76 — Power Man - The Vampire Strikes Back! | 12/1981 | Jo Duffy (as Mary Jo Duffy) / Mark D. Bright (as Mark Bright) / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #77 — What's Black and White and Red All Over? | 01/1982 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #78 — Slasher | 02/1982 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #79 — Day of the Dredlox | 03/1982 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #80 — Rich Girls | 04/1982 | Jo Duffy (as Mary Jo Duffy) / Denys Cowan / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #81 — The Road to Halwan | 05/1982 | Jo Duffy (as Mary Jo Duffy) / Denys Cowan / Ricardo Villamonte |
| ✓ Power Man and Iron Fist (1°) #82 — Secret of the Black Tiger | 06/1982 | Jo Duffy (as Mary Jo Duffy) / Denys Cowan / Carl Potts |
| ✓ Power Man and Iron Fist (1°) #83 — War Without End! | 07/1982 | Jo Duffy (as Mary Jo Duffy) / Denys Cowan / Carl Potts, Joe Chiodo |
| ✓ Power Man and Iron Fist (1°) #84 — Revenge! | 08/1982 | Jo Duffy (as Mary Jo Duffy) / Denys Cowan / Carl Potts |
| ✗ Punisher magazine #3 — Circle of Blood, Chapter Five: Final Solution Pt. 2 | 11/1989 | Steven Grant, Jo Duffy (as Mary Jo Duffy) / Mike Vosburg / John Beatty |
| ✓ Saga of Crystar, Crystal Warrior #1 — The Sundered Throne | 05/1983 | Jo Duffy (as Mary Jo Duffy) / Bret Blevins / Vince Colletta |
| ✓ Saga of Crystar, Crystal Warrior #2 — Ika | 07/1983 | Jo Duffy (as Mary Jo Duffy) / Bret Blevins / Bret Blevins |
| ✓ Saga of Crystar, Crystal Warrior #3 — In the Sanctum Sanctorum of Doctor Strange! | 09/1983 | Jo Duffy (as Mary Jo Duffy) / Bret Blevins / Dan Bulanadi |
| ✓ Saga of Crystar, Crystal Warrior #4 — Tell Us a Story, Daddy! | 11/1983 | Jo Duffy (as Mary Jo Duffy) / Ricardo Villamonte / Dave Simons |
| ✗ Saga of Crystar, Crystal Warrior #5 — The Story They Said Couldn't Be Done! | 01/1984 | Jo Duffy (as Mary Jo Duffy) / Ricardo Villamonte / Dave Simons |
| ✓ Saga of Crystar, Crystal Warrior #6 — Demon | 03/1984 | Jo Duffy (as Mary Jo Duffy) / Ricardo Villamonte / Dave Simons |
| ✓ Saga of Crystar, Crystal Warrior #7 — Malachon | 05/1984 | Jo Duffy (as Mary Jo Duffy) / Ricardo Villamonte / Ricardo Villamonte |
| ✗ Saga of Crystar, Crystal Warrior #8 — Anniversary | 07/1984 | Jo Duffy (as Mary Jo Duffy) / Ricardo Villamonte / Dave Simons |
| ✓ Saga of Crystar, Crystal Warrior #9 — Another War | 09/1984 | Jo Duffy (as Mary Jo Duffy) / Ricardo Villamonte / Dave Simons |
| ✓ Saga of Crystar, Crystal Warrior #10 — Loss | 11/1984 | Jo Duffy (as Mary Jo Duffy) / Ricardo Villamonte / Ricardo Villamonte |
| ✓ Saga of Crystar, Crystal Warrior #11 — Resolution | 02/1985 | Jo Duffy (as Mary Jo Duffy) / Ricardo Villamonte / Ricardo Villamonte |
| ✗ Speedball #3 — For Kicks | 11/1988 | Jo Duffy (as Mary Jo Duffy) / Steve Ditko / Bruce Patterson |
| ✗ Speedball #5 — The Freak of Science | 01/1989 | Jo Duffy (as Mary Jo Duffy) / Steve Ditko / Bruce Patterson |
| ✗ Speedball #6 — Cat's Eye! | 02/1989 | Jo Duffy (as Mary Jo Duffy) / Steve Ditko / Bruce Patterson |
| ✗ Speedball #7 — Good Stuff! | 03/1989 | Jo Duffy (as Mary Jo Duffy) / Steve Ditko / Bruce Patterson |
| ✗ Speedball #8 — Cold Comfort | 04/1989 | Jo Duffy (as Mary Jo Duffy) / Steve Ditko / Bruce Patterson |
| ✗ Speedball #9 — The Hidden Past | 05/1989 | Steve Ditko, Jo Duffy (as Mary Jo Duffy) / Steve Ditko / Jim Sanders |
| ✗ Speedball #10 — Some Pig | 06/1989 | Steve Ditko, Jo Duffy (as Mary Jo Duffy) / Steve Ditko / Dan Day |
| ✓ Star Wars (Marvel - 1°) #24 — Silent Drifting | 06/1979 | Jo Duffy (as Mary Jo Duffy) / Carmine Infantino / Bob Wiacek |
| ✓ Star Wars (Marvel - 1°) #70 — The Stenax Shuffle | 04/1983 | Jo Duffy (as Mary Jo Duffy) / Kerry Gammill, Tom Palmer / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #71 — Return to Stenos | 05/1983 | Jo Duffy (as Mary Jo Duffy) / Ron Frenz / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #72 — Fool's Bounty | 06/1983 | Jo Duffy (as Mary Jo Duffy) / Ron Frenz / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #73 — Lahsbane | 07/1983 | Jo Duffy (as Mary Jo Duffy) / Ron Frenz / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #74 — The Iskalon Effect | 08/1983 | Jo Duffy (as Mary Jo Duffy) / Ron Frenz / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #75 — Tidal | 09/1983 | Jo Duffy (as Mary Jo Duffy) / Ron Frenz / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #76 — Artoo-Detoo to the Rescue | 10/1983 | Jo Duffy (as Mary Jo Duffy) / Ron Frenz / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #77 — Chanteuse of the Stars | 11/1983 | Jo Duffy (as Mary Jo Duffy) / Ron Frenz / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #79 — The Big Con | 01/1984 | Jo Duffy (as Mary Jo Duffy) / Ron Frenz / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #80 — Ellie | 02/1984 | Jo Duffy (as Mary Jo Duffy) / Ron Frenz / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #81 — Jawas of Doom | 03/1984 | Jo Duffy (as Mary Jo Duffy) / Ron Frenz / Tom Palmer, Tom Mandrake |
| ✓ Star Wars (Marvel - 1°) #82 — Diplomacy | 04/1984 | Jo Duffy (as Mary Jo Duffy) / Ron Frenz / Diverse Hands (as Many Hands) |
| ✓ Star Wars (Marvel - 1°) #85 — The Hero | 07/1984 | Jo Duffy (as Mary Jo Duffy) / Bob McLeod / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #87 — Still Active After All These Years... | 09/1984 | Jo Duffy (as Mary Jo Duffy) / Tom Palmer / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #88 — Figurehead | 10/1984 | Jo Duffy (as Mary Jo Duffy) / Bob McLeod / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #90 — The Choice | 12/1984 | Jo Duffy (as Mary Jo Duffy) / Bob McLeod / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #91 — Wookiee World | 01/1985 | Jo Duffy (as Mary Jo Duffy) / Tony Salmons / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #92 — The Dream | 02/1985 | Jo Duffy (as Mary Jo Duffy) / Jan Duursema / Tom Mandrake |
| ✓ Star Wars (Marvel - 1°) #93 — Catspaw | 03/1985 | Jo Duffy (as Mary Jo Duffy) / Sal Buscema / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #94 — Small Wars | 04/1985 | Jo Duffy (as Mary Jo Duffy) / Cynthia Martin / Tom Palmer |
| ✓ Star Wars (Marvel - 1°) #95 — No Zeltrons | 05/1985 | Jo Duffy (as Mary Jo Duffy) / Cynthia Martin / Steve Leialoha |
| ✓ Star Wars (Marvel - 1°) #96 — Duel with a Dark Lady! | 06/1985 | Jo Duffy (as Mary Jo Duffy) / Cynthia Martin / Bob Wiacek |
| ✓ Star Wars (Marvel - 1°) #97 — Escape | 07/1985 | Jo Duffy (as Mary Jo Duffy) / Cynthia Martin / Art Nichols |
| ✓ Star Wars (Marvel - 1°) #99 — Touch of the Goddess | 09/1985 | Jo Duffy (as Mary Jo Duffy) / Ron Frenz / Sam DeLaRosa |
| ✓ Star Wars (Marvel - 1°) #100 — First Strike | 10/1985 | Jo Duffy (as Mary Jo Duffy) / Cynthia Martin / Sam DeLaRosa, Art Nichols |
| ✓ Star Wars (Marvel - 1°) #101 — Far, Far Away | 11/1985 | Jo Duffy (as Mary Jo Duffy) / Cynthia Martin / Art Nichols |
| ✓ Star Wars (Marvel - 1°) #102 — School Spirit | 12/1985 | Jo Duffy (as Mary Jo Duffy) / Sal Buscema / Sam DeLaRosa |
| ✓ Star Wars (Marvel - 1°) #103 — Tai | 01/1986 | Jo Duffy (as Mary Jo Duffy) / Cynthia Martin / Art Nichols |
| ✓ Star Wars (Marvel - 1°) #104 — Nagaïs and Dolls | 03/1986 | Jo Duffy (as Mary Jo Duffy) / Cynthia Martin / Cynthia Martin |
| ✓ Star Wars (Marvel - 1°) #105 — The Party's over | 05/1986 | Jo Duffy (as Mary Jo Duffy) / Cynthia Martin, Steve Leialoha / Ken Steacy |
| ✓ Star Wars (Marvel - 1°) #106 — My Hiromi | 06/1986 | Jo Duffy (as Mary Jo Duffy) / Cynthia Martin / Ken Steacy |
| ✓ Star Wars (Marvel - 1°) #107 — All Together Now | 07/1986 | Jo Duffy (as Mary Jo Duffy) / Cynthia Martin / Whilce Portacio |
| ✓ Star Wars (Marvel - 1°) Annual #3 — The Apprentice | 12/1983 | Jo Duffy (as Mary Jo Duffy) / Klaus Janson / Klaus Janson |
| ✓ Uncanny X-Men (1°) Annual #8 — The Adventures of Lockheed the Space Dragon and His Pet Girl Kitty | 1984 | Chris Claremont, Jo Duffy (as Mary Jo Duffy) / Steve Leialoha / Steve Leialoha |
| ✓ What If (1°) #27 — What If Phoenix Had Not Died? | 07/1981 | Jo Duffy (as Mary Jo Duffy) / Jerry Bingham / John Stuart |
| ✗ What If (1°) #34 — What If the Watchers in All the Realities Got Together and Watched Watchers Watching Watchers Watching Watchers... | 08/1982 | Jo Duffy (as Mary Jo Duffy) / Terry Austin / Terry Austin |
| ✓ Wolverine (2°) #25 — Heir Aid | 06/1990 | Jo Duffy (as Mary Jo Duffy) / John Buscema / John Buscema |
| ✓ Wolverine (2°) #26 — Memory of Peace | 07/1990 | Jo Duffy (as Mary Jo Duffy) / Klaus Janson / Tom Palmer |
| ✓ Wolverine (2°) #27 — The Lazarus Project, Part One: Predators and Prey! | 07/1990 | Jo Duffy (as Mary Jo Duffy) / John Buscema / Dan Green |
| ✓ Wolverine (2°) #28 — The Lazarus Project, Part Two: The Stranger | 08/1990 | Jo Duffy (as Mary Jo Duffy) / Barry Kitson / Keith Williams |
| ✓ Wolverine (2°) #29 — The Lazarus Project, Part Three: The Road Back | 08/1990 | Jo Duffy (as Mary Jo Duffy) / Barry Kitson / Al Milgrom |
| ✓ Wolverine (2°) #30 — The Lazarus Project, Conclusion: Family Matters | 09/1990 | Jo Duffy (as Mary Jo Duffy) / Bill Jaaska / Joe Rubinstein |
| ✓ X-Factor (1°) Annual #2 — The Man in the Moon | 1987 | Jo Duffy (as Mary Jo Duffy) / Tom Grindberg / Joe Rubinstein |
| ✗ X-Men (One-Shots) #3 — Heroes for Hope starring The X-Men - | 1985 | Jo Duffy (as Mary Jo Duffy), Chris Claremont, Ann Nocenti, Bernie Wrightson, Jim Starlin, Jim Shooter / John Bolton / John Bolton |