| 0 | - | cover | 1 | pencils: Mark Brooks; inks: Jaime Mendoza; colors: Christina Strain | X-Men [Cyclops; Marvel Girl; Wolverine [Logan]; Storm; Colossus; Beast; Iceman] |
| 1 | Ultimate X-Men | credits, title page | 1 | pencils: Adam Kubert; inks: Danny Miki; colors: Dave Stewart | Jean Grey; Phoenix |
| 2 | Ultimate X-Men Ultimate Collection | credits, title page | 1 | letters: typeset | |
| 3 | - | illustration | 1 | pencils: Adam Kubert, Danny Miki; inks: Danny Miki; colors: Dave Stewart | Cyclops; Wolverine [Logan] |
| 4 | Previously | recap | 1 | pencils: Adam Kubert; colors: Richard Isanove | X-Men [Beast; Iceman; Wolverine [Logan]; Cyclops; Storm; Marvel Girl; Colossus; Nightcrawler] |
| 5 | Ultimate X-Men #13 | cover reprint (on interior page) | 1 | pencils: Adam Kubert; colors: Richard Isanove; editing: Mark Powers | Gambit |
| 6 | You Always Remember Your First Love Part 1 | comic story | 24 | script: Chuck Austen; pencils: Esad Ribić; inks: Livesay; colors: J. D. Smith; letters: Sharpefont; editing: Mark Powers | Gambit [Remy Lebeau]; Hammerhead |
| 7 | Ultimate X-Men #14 | cover reprint (on interior page) | 1 | pencils: Adam Kubert; colors: Richard Isanove; editing: Mark Powers | Gambit |
| 8 | - | comic story | 24 | script: Chuck Austen; pencils: Esad Ribić; inks: Livesay; colors: J. D. Smith; letters: Sharpefont; editing: Mark Powers | Gambit; Patch; Professor X; Storm; Hammerhead |
| 9 | Ultimate X-Men #15 | cover reprint (on interior page) | 1 | pencils: Adam Kubert; colors: Richard Isanove; editing: Ralph Macchio | X-Men [Cyclops; Wolverine [Logan]; Colossus; Beast; Iceman; Storm; Professor X; Marvel Girl] |
| 10 | It Doesn't Have to Be This Way | comic story | 22 | script: Millar; pencils: Adam Kubert; inks: Danny Miki; colors: Stewart; letters: Chris Eliopoulos; editing: Ralph Macchio | X-Men [Marvel Girl; Wolverine [Logan]; Professor X; Beast; Storm; Colossus; Iceman; Cyclops]; Magneto [Erik Lensherr]; Bolivar Trask; Al; Brotherhood of Mutants [Quicksilver; Scarlet Witch; Toad; Blob] |
| 11 | Ultimate X-Men #16 | cover reprint (on interior page) | 1 | pencils: Adam Kubert; colors: Richard Isanove; editing: Ralph Macchio | Wolverine [Logan] |
| 12 | World Tour Part One | comic story | 21 | script: Millar; pencils: Adam Kubert; inks: Danny Miki; colors: Stewart; letters: Chris Eliopoulos; editing: Ralph Macchio | X-Men [Marvel Girl; Storm; Iceman; Wolverine [Logan]; Colossus; Beast; Cyclops; Professor X]; Proteus [David MacTaggart] (introduction); Moira MacTaggart (introduction); Sarge (death); Mr. Drake; Mrs. Drake |
| 13 | Ultimate X-Men #17 | cover reprint (on interior page) | 1 | pencils: Adam Kubert; colors: Richard Isanove; editing: Ralph Macchio | Beast |
| 14 | World Tour Part Two | comic story | 23 | script: Mark Millar; pencils: Adam Kubert; inks: Danny Miki; colors: J. D. Smith; letters: Chris Eliopoulos; editing: Ralph Macchio | X-Men [Marvel Girl; Cyclops; Colossus; Beast; Professor X; Storm; Wolverine [Logan]; Iceman]; Moira MacTaggart; Dai Thomas (introduction); Betsy Braddock (introduction); Proteus [David MacTaggart]; Morag; Graham |
| 15 | Ultimate X-Men #18 | cover reprint (on interior page) | 1 | pencils: Adam Kubert; colors: Richard Isanove; editing: Ralph Macchio | Colossus |
| 16 | World Tour Part 3 | comic story | 23 | script: Mark Millar; pencils: Chris Bachalo; inks: Chris Bachalo; colors: Dave Stewart; letters: Chris Eliopoulos; editing: Ralph Macchio | X-Men [Marvel Girl; Cyclops; Colossus; Storm; Iceman; Wolverine [Logan]; Professor X; Beast]; Dr. Moira MacTaggart; Betsy Braddock; Dai Thomas (death); Magneto (flashback); Proteus [David MacTaggart] |
| 17 | Ultimate X-Men #19 | cover reprint (on interior page) | 1 | pencils: Adam Kubert; colors: Richard Isanove; editing: Ralph Macchio | Betsy Braddock |
| 18 | World Tour Part 4 | comic story | 23 | script: Mark Millar; pencils: Chris Bachalo; inks: Chris Bachalo; colors: Dave Stewart; letters: Chris Eliopoulos; editing: Ralph Macchio | X-Men [Storm; Iceman; Wolverine [Logan]; Beast; Marvel Girl; Professor X; Colossus; Cyclops]; Dr. Moira MacTaggart; Betsy Braddock (death); Proteus [David MacTaggart] (death) |
| 19 | Ultimate X-Men #20 | cover reprint (on interior page) | 1 | pencils: Adam Kubert; colors: Richard Isanove; editing: Ralph Macchio | Professor Xavier |
| 20 | Resignation | comic story | 21 | script: Mark Millar; pencils: Adam Kubert; inks: Danny Miki; colors: Dave Stewart; letters: Chris Eliopoulos; editing: Ralph Macchio | X-Men [Cyclops; Storm; Professor X; Wolverine [Logan]; Colossus; Beast; Marvel Girl; Iceman]; Erik Lensherr [Magneto]; Acolytes of Magneto |
| 21 | Ultimate X-Men #21 | cover reprint (on interior page) | 1 | pencils: Adam Kubert; colors: Richard Isanove; editing: Ralph Macchio | Wolverine [Logan] |
| 22 | Hellfire and Brimstone Part One of Five | comic story | 23 | script: Mark Millar; pencils: Adam Kubert; inks: Danny Miki; colors: Dave Stewart; letters: Chris Eliopoulos; editing: Ralph Macchio | X-Men [Kitty Pryde; Marvel Girl; Professor X; Colossus; Wolverine [Logan]; Beast; Cyclops; Storm]; Theresa Pryde; Mrs. Winterbottom; Zach |
| 23 | Ultimate X-Men #22 | cover reprint (on interior page) | 1 | pencils: Adam Kubert; colors: Richard Isanove; editing: Ralph Macchio | Marvel Girl |
| 24 | Hellfire and Brimstone Part Two of Five | comic story | 21 | script: Mark Millar; pencils: Adam Kubert, Danny Miki; inks: Danny Miki; colors: Dave Stewart; letters: Chris Eliopoulos; editing: Ralph Macchio | X-Men [Professor X; Marvel Girl; Beast; Kitty Pryde; Cyclops; Wolverine [Logan]]; Brotherhood of Mutants [Quicksilver; Orb-Weaver (introduction); Prosimian (introduction); Scarlet Witch; Blob; Sumatran; Saluki; Kathleen]; President |
| 25 | Ultimate X-Men #23 | cover reprint (on interior page) | 1 | pencils: Adam Kubert; colors: Richard Isanove; editing: Ralph Macchio | Cyclops |
| 26 | Hellfire and Brimstone Part Three of Five | comic story | 23 | script: Mark Millar; pencils: Kaare Andrews; inks: Kaare Andrews, Rusty Beach; colors: Dave McCaig, Chris Sotomayor; letters: Chris Eliopoulos; editing: Ralph Macchio | Beast, Colossus, Cyclops, Bobby Drake, Madeline Bass, William Drake, Jean Grey, Iceman, Logan, Marvel Girl, Hank McCoy, Ororo Munroe, Kitty Pryde, Piotr Rasputin |
| 27 | Ultimate X-Men #24 | cover reprint (on interior page) | 1 | pencils: Adam Kubert; colors: Richard Isanove; editing: Ralph Macchio | Iceman |
| 28 | Hellfire and Brimstone Part Four of Five | comic story | 23 | script: Mark Millar; pencils: Kaare Andrews; inks: Kaare Andrews; colors: Dave McCaig; letters: Chris Eliopoulos; editing: Ralph Macchio | X-Men [Cyclops; Wolverine; Kitty Pryde; Professor X; Marvel Girl; Colossus; Beast; Storm]; Brotherhood of Mutants [Prosimian; Blob]; Iceman; Senator Andrew Turk; Hellfire Club; Black King [Sebastian Shaw] (introduction); Mr. Drake; Mrs. Drake |
| 29 | Ultimate X-Men #25 | cover reprint (on interior page) | 1 | pencils: Adam Kubert; colors: Richard Isanove; editing: Ralph Macchio | Wolverine [Logan]; Colossus |
| 30 | Hellfire and Brimstone Part Five of Five | comic story | 38 | script: Mark Millar; pencils: Adam Kubert, Danny Miki; inks: Danny Miki; colors: Chris Sotomayor; letters: Chris Eliopoulos; editing: Ralph Macchio | X-Men [Storm; Professor X; Marvel Girl; Colossus; Beast]; Hellfire Club [Black King [Sebastian Shaw] (death); Black Bishop [Mister Seville] (death)]; Brotherhood of Mutants [Blob; Prosimian (death)]; Magneto; Mister Turner; Arnold; Mr. Greenspan |
| 31 | Issue #21 Cover Process by Adam Kubert | illustration | 1 | pencils: Adam Kubert; colors: Richard Isanove | Wolverine [Logan] |
| 32 | Issue #22 Cover Process by Adam Kubert | illustration | 1 | pencils: Adam Kubert; colors: Richard Isanove | Marvel Girl |
| 33 | Issue #23 Cover Process by Adam Kubert | illustration | 1 | pencils: Adam Kubert; colors: Richard Isanove | Cyclops |