| 0 | - | cover | 1 | pencils: Adam Kubert; inks: Dan Green; colors: Mike Thomas | Beast, Bishop, Lucas Bishop, Cannonball, Cyclops, Bobby Drake, Gambit, Jean Grey, Sam Guthrie, Iceman, Remy LeBeau, Logan, Hank McCoy, Ororo Munroe |
| 1 | Previously... | recap | 2 | script: Jeph York | |
| 2 | Onslaught: Phase 2 | cover reprint (on interior page) | 2 | pencils: Carlos Pacheco; inks: Bob Wiacek | Annihilus, Doctor Doom, Victor Von Doom, Dragon Man, Ben Grimm, Human Torch, Invisible Woman, Kl'rt, Ivan Kragoff, Mad Thinker, Phillip Masters, Mister Fantastic, Psycho-Man, Puppet Master |
| 3 | Unfinished Business | comic story | 32 | script: Tom DeFalco; pencils: Carlos Pacheco; inks: Bob Wiacek, Harry Candelario, Al Milgrom, Vince Russell; colors: Ariane Lenshoek, Malibu Coloring, Ed Lazellari, Craig Huston; letters: RS, Comicraft, KF; editing: Suzanne Gaffney | Ant-Man, Clint Barton, Beast, Bishop, Lucas Bishop, Black Bolt, Black Panther, Blastaar, Blackagar Boltagon, Medusalith Amaquelin Boltagon, Crystal, Diablo, Doctor Doom, Victor Von Doom |
| 4 | Onslaught Phase 2: Magneto and Rogue Unleashed! | cover reprint (on interior page) | 1 | pencils: Andy Kubert; inks: Art Thibert | Anna Marie, Rogue, Sentinel |
| 5 | The Beginning of the End: Twilight of the Gods | comic story | 23 | script: Scott Lobdell, Mark Waid; pencils: Andy Kubert; inks: Art Thibert; colors: Joe Rosas, Malibu Hues; letters: Richard Starkings, Comicraft; editing: Bob Harras | Anna Marie, Blink, Captain America, Colossus, Victor Creed, Cyclops, Dark Beast, Doctor Doom, Victor Von Doom, Fatale, Clarice Ferguson, Giant-Man, Jean Grey, Havok |
| 6 | Marvel Universe | cover reprint (on interior page) | 2 | pencils: Adam Kubert; inks: Jesse Delperdang | Bruce Banner, Clint Barton, Black Panther, Captain America, Crystal, Doctor Doom, Victor Von Doom, Giant-Man, Ben Grimm, Hawkeye, Hulk, Human Torch, Invisible Woman, Iron Man |
| 7 | With Great Power... | comic story | 48 | script: Scott Lobdell, Mark Waid; pencils: Adam Kubert, Joe Bennett; inks: Dan Green, Art Thibert, Tim Townsend, Jesse Delperdang; colors: Steve Buccellato, Team Bucce; letters: Richard Starkings, Comicraft; editing: Bob Harras | Anna Marie, Apocalypse, Bruce Banner, Clint Barton, Bishop, Lucas Bishop, Black Panther, Black Widow, Cable, Cannonball, Captain America, Crystal, Cyclops, Doctor Doom |
| 8 | A Prayer for the Dying | cover reprint (on interior page) | 1 | pencils: Ian Churchill; inks: Scott Hanna | Cable, Nathan Summers |
| 9 | The Gift | comic story | 22 | script: Jeph Loeb; pencils: Bernard Chang; inks: Scott Hanna; colors: Mike Thomas, Graphic Color Works; letters: Richard Starkings, Comicraft, AD; editing: Mark Powers | Cable, Caliban, Cannonball, Tyler Dayspring, Domino, Sam Guthrie, Ororo Munroe, Franklin Richards, Storm, Nathan Summers, Neena Thurman, Tolliver, Tyler Dayspring |
| 10 | - | cover reprint (on interior page) | 1 | pencils: Joe Madureira; inks: Tim Townsend | Beast, Bishop, Lucas Bishop, Betsy Braddock, Cyclops, Bobby Drake, Gambit, Iceman, Remy LeBeau, Logan, Hank McCoy, Ororo Munroe, Psylocke, Storm |
| 11 | Know Thy Enemy | comic story | 22 | script: Scott Lobdell; pencils: Joe Madureira; inks: Tim Townsend, Vince Russell; colors: Bucce, TB!; letters: RS, Comicraft, KF; editing: Bob Harras | Beast, Bishop, Lucas Bishop, Betsy Braddock, Graydon Creed, Cyclops, Bobby Drake, Gambit, Jean Grey, Iceman, J. Jonah Jameson, Remy LeBeau, Logan, Pietro Maximoff |
| 12 | Farewell to Xavier | cover reprint (on interior page) | 1 | pencils: Andy Kubert; inks: Andy Kubert | Bishop, Lucas Bishop, Cyclops, Jean Grey, Logan, Ororo Munroe, Storm, Scott Summers, Wolverine, Professor X, Charles Xavier |
| 13 | Man | comic story | 22 | script: Scott Lobdell; pencils: Andy Kubert; inks: Art Thibert; colors: Joe Rosas, Malibu Hues; letters: Richard Starkings, Comicraft, AD; editing: Mark Powers | Beast, Bishop, Lucas Bishop, Betsy Braddock, Cannonball, Valerie Cooper, Graydon Creed, Cyclops, Bobby Drake, Jean Grey, Sam Guthrie, Iceman, J. Jonah Jameson, Logan |
| 14 | The Path to Redemption | cover reprint (on interior page) | 1 | pencils: Randy Green; inks: Jon Holdredge | Onslaught, Professor X, Charles Xavier |
| 15 | Onslaught: Epilogue Credits | credits, title page | 1 | letters: typeset | |
| 16 | Prisoner M-13 | comic story | 32 | script: Larry Hama; pencils: Randy Green; inks: Jon Holdredge, Hilary Barta; colors: Dana Moreshead, Digital Chameleon; letters: Richard Starkings, Comicraft; editing: Mark Powers | Henry Peter Gyrich, Professor X, Charles Xavier |
| 17 | Epilogue | recap | 1 | script: Jeph York | |
| 18 | Industrial Revelation! (Industrial Revolution Part Two) | comic story | 2 | script: Scott Lobdell; pencils: Jim Lee, Whilce Portacio, Ryan Benjamin; inks: Scott Williams, JD, Trevor Scott, Saleem Crawford, Richard Friend, Sal Regla; colors: Joe Chiodo, Martin Jimenez, Wildstorm FX; letters: Liz Agraphiotis, Dave Lanphear, Albert Deschesne, Richard Starkings, Comicraft; editing: Mike Heisler | Bruce Banner, Hulk, Mister Fantastic, Onslaught, Reed Richards |
| 19 | Epilogue | recap | 1 | script: Jeph York | |
| 20 | - | cover reprint (on interior page) | 1 | pencils: Steve Geiger; inks: Steve Geiger | Onslaught |
| 21 | The Road to Onslaught | comic story | 34 | script: Scott Lobdell; pencils: John Byrne, Jan Duursema, Ron Garney, Andy Kubert, Steve Epting, Dave Cockrum; inks: Terry Austin, Dan Panosian, Dan Green, Matt Ryan, Tim Townsend, Bryan Hitch; editing: Suzanne Gaffney | |
| 22 | Onslaught Poster | illustration | 2 | pencils: Ian Churchill; inks: Ian Churchill | Bishop, Lucas Bishop, Black Widow, Cable, Captain America, Bobby Drake, Gambit, Jean Grey, Ben Grimm, Human Torch, Iceman, Invisible Woman, Iron Man, Remy LeBeau |
| 23 | X-Men: Onslaught #1 Variant Cover | cover reprint (on interior page) | 1 | pencils: Mike S. Miller; inks: Mike S. Miller | Bishop, Lucas Bishop, Cannonball, Cyclops, Bobby Drake, Jean Grey, Sam Guthrie, Iceman, Logan, Ororo Munroe, Onslaught, Storm, Scott Summers, Wolverine |