| # | Date | Cover | Sommaire | |
| 1 | 10/1998 | | 1/ In the End... — 30 pages
Howard Mackie / Tom Raney / Andrew Pepoy ➜ X-Men Universe (1°) n° 1 — 11/1999 — Mutant X - À la fin ... ... comme au commencement ! 2/ SHIELD Files, Case History: The Six — 7 pages
Howard Mackie / Tom Raney / Andrew Pepoy
✗ inédit | |
| 2 | 11/1998 | | No Way Out! — 22 pages
Howard Mackie / Tom Raney / Andrew Pepoy, Walden Wong ➜ X-Men Universe (1°) n° 2 — 12/1999 — Mutant X - Sans issue ! | |
| 3 | 12/1998 | | The Pack — 22 pages
Howard Mackie / Tom Raney / Andrew Pepoy ➜ X-Men Universe (1°) n° 3 — 01/2000 — Mutant X - La Meute | |
| 4 | 01/1999 | | Secrets and Lies — 22 pages
Howard Mackie / Cary Nord / Andrew Pepoy ➜ X-Men Universe (1°) n° 4 — 02/2000 — Mutant X - Secrets et mensonges | |
| 5 | 02/1999 | | Goblins In The Night — 22 pages
Howard Mackie / Tom Raney / Andrew Pepoy ➜ X-Men Universe (1°) n° 5 — 03/2000 — Mutant X - Démons dans la nuit | |
| 6 | 03/1999 | | The Trial of the Brute! — 22 pages
Howard Mackie / Cary Nord / Andrew Pepoy ➜ X-Men Universe (1°) n° 7 — 05/2000 — Mutant X - Le Procès de le Brute | |
| 7 | 04/1999 | | The Season of the Witch — 22 pages
Howard Mackie / Cary Nord / Andrew Pepoy ➜ X-Men Universe (1°) n° 8 — 06/2000 — Mutant X - L'Heure de la sorcière | |
| 8 | 05/1999 | | The Reign of the Queen — 21 pages
Howard Mackie / Cary Nord, Yancey Labat / Andrew Pepoy, Scott Elmer ➜ X-Men Universe (1°) n° 9 — 07/2000 — Mutant X - Le Règne de la reine ! | |
| 9 | 06/1999 | | The Uncanny! — 22 pages
Howard Mackie / Mike Miller / Andrew Pepoy ➜ X-Men Universe (1°) n° 10 — 08/2000 — Mutant X - Surprise ! ➜ X-Men Universe (1°) n° 11 — 09/2000 — Mutant X - Surprise, Deuxième partie | |
| 10 | 07/1999 | | The X-Men Cometh! — 22 pages
Howard Mackie / Cary Nord / Andrew Pepoy ➜ X-Men Universe (1°) n° 11 — 09/2000 — Mutant X - Voici venus les X-Men ! | |
| 11 | 08/1999 | | And A Child Shall Lead Them — 22 pages
Howard Mackie / Juvaun Kirby (as Juvaun J. Kirby), Mike Miller / Andrew Pepoy, Dan Green, Scott Elmer, Derek Mei, Scott Koblish, Harry Candelario ➜ X-Men Universe (1°) n° 12 — 10/2000 — Mutant X - Et un enfant les guidera | |
| 12 | 09/1999 | | 1/ Once Upon a Time... — 30 pages
Howard Mackie / Cary Nord / Andrew Pepoy ➜ X-Men Universe (1°) n° 13 — 11/2000 — Mutant X - Il était une fois... 2/ <pin-up gallery> — 7 pages
Howard Mackie / John Romita Sr., John Byrne, Tom Raney, Michael Golden, Cary Nord, J. G. Jones, Michael Kaluta (as Mike Kaluta) / Andrew Pepoy
✗ inédit | |
| 13 | 10/1999 | | The Hunger — 23 pages
Ben Raab / Mike Miller / Saleem Crawford
✗ inédit | |
| 14 | 11/1999 | | Homecoming! — 22 pages
Howard Mackie / Cary Nord / Andrew Pepoy
✗ inédit | |
| 15 | 12/1999 | | The Ripple Effect — 22 pages
Howard Mackie / Cary Nord / Andrew Pepoy
✗ inédit | |
| 16 | 01/2000 | | God And Man — 22 pages
Howard Mackie / Cary Nord / Andrew Pepoy
✗ inédit | |
| 17 | 02/2000 | | The Wake Up Call — 22 pages
Howard Mackie / Javier Saltares / Andrew Pepoy
✗ inédit | |
| 18 | 04/2000 | | ...America's Future! — 22 pages
Howard Mackie / Cary Nord, Billy Dallas Patton (as Billy Patton) / Andrew Pepoy
✗ inédit | |
| 19 | 05/2000 | | The Coming — 22 pages
Howard Mackie / Javier Saltares / Andrew Pepoy, Cliff Rathburn, Scott Elmer, Rodney Ramos
✗ inédit | |
| 20 | 06/2000 | | Everything You Thought You Knew... — 22 pages
Howard Mackie / Javier Saltares, Tom Lyle, Billy Dallas Patton (as Billy Patton) / Andrew Pepoy, Cliff Rathburn, John Czop, Jay Leisten
✗ inédit | |
| 21 | 07/2000 | | The Good... The Bad... And Things Get Ugly! — 22 pages
Howard Mackie / Bart Sears, Tom Lyle / Andrew Pepoy
✗ inédit | |
| 22 | 08/2000 | | Tremble Before His Might — 22 pages
Howard Mackie / Tom Lyle, Dusty Abell / Andrew Pepoy
✗ inédit | |
| 23 | 09/2000 | | The Gift of Fear! — 22 pages
Howard Mackie / Tom Lyle / Andrew Pepoy, Cliff Rathburn
✗ inédit | |
| 24 | 10/2000 | | Doorway to Yestermorrow — 22 pages
Howard Mackie / Javier Saltares / Andrew Pepoy
✗ inédit | |
| 25 | 11/2000 | | Thresholds — 39 pages
Howard Mackie / Tom Lyle / Andrew Pepoy
✗ inédit | |
| 26 | 12/2000 | | Long Day's Journey Through The Night — 22 pages
Howard Mackie / Ron Lim / Sandu Florea
✗ inédit | |
| 27 | 01/2001 | | The Challenge — 23 pages
Howard Mackie / Tom Lyle / Andrew Pepoy
✗ inédit | |
| 28 | 02/2001 | | The Hunted, Part 1 — 22 pages
Howard Mackie / Ron Lim / Andrew Pepoy
✗ inédit | |
| 29 | 03/2001 | | Logan's Running — 23 pages
Howard Mackie / Tom Lyle / Andrew Pepoy
✗ inédit | |
| 30 | 04/2001 | | Blame Canada! — 22 pages
Howard Mackie / Ron Lim / Andrew Pepoy
✗ inédit | |
| 31 | 05/2001 | | You Say You Want a Resolution? — 22 pages
Howard Mackie / Ron Lim / Andrew Pepoy
✗ inédit | |
| 32 | 06/2001 | | The End — 39 pages
Howard Mackie / Ron Lim / Andrew Pepoy
✗ inédit | |
| '99 | 05/1999 | | A World Gone Mad! — 39 pages
Jay Faerber / Pasqual Ferry (as Pascual Ferry) / Andrew Pepoy, Pasqual Ferry (as Pascual Ferry) ➜ X-Men Universe (1°) n° 10 — 08/2000 — Mutant X - Un monde en folie ! | |
| '2000 | 2000 | | 1/ A Sinister Thread, Part 1: Thieves In The Night — 19 pages
Howard Mackie / Colleen Doran / Scott Elmer, Andrew Pepoy, Rodney Ramos, John Czop
✗ inédit 2/ A Sinister Thread, Part 2: First Blood — 14 pages
Howard Mackie / Colleen Doran / Scott Elmer, Andrew Pepoy, Rodney Ramos, John Czop
✗ inédit 3/ Mutant X Annual 2000 Special Bonus Feature! — 5 pages
✗ inédit | |
| '2001 | 05/2001 | | The Key — 40 pages
Howard Mackie / James Fry / Andrew Pepoy, Sandu Florea
✗ inédit | |
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