| 0 | - | cover | 1 | pencils: Leinil Francis Yu; inks: Leinil Francis Yu; colors: Gabriele Dell'Otto | Captain America First, Thor Odinson, Norman Osborn First, Pitt'o Nili First, Robert Reynolds, The Sentry, Thor, Veranke |
| 1 | - | cover reprint (on interior page) | 1 | pencils: Terry Dodson; inks: Terry Dodson; colors: Jorge Molina | Spider-Man; Gwen Stacy; Aunt May Parker; Mary Jane Parker; Green Goblin; Richie Parker |
| 2 | Title and Credits | credits, title page | 1 | pencils: Jelena Kevic-Djurdjevic; inks: Jelena Kevic-Djurdjevic; colors: Jelena Kevic-Djurdjevic | |
| 3 | Previously | recap | 1 | pencils: various; inks: various; colors: various; letters: typeset | |
| 4 | What If... Gwen Stacy Survived the House of M? | comic story | 21 | script: Sean McKeever; pencils: Dave Ross; inks: Dave Ross; colors: Tom Fleming, Dan Scott; letters: Virtual Calligraphy, Clayton Cowles | Spider-Man (death); Gwen Stacy; Aunt May Parker (death); Mary Jane Parker (death); Luke Cage; She-Hulk; Ms. Marvel [Carol Danvers]; Spider-Woman [Jessica Drew]; Sentry; Dr. Strange; Iron Man; Falcon; Wolverine; Captain America; Gravity; Iron Fist; SHIELD; VILLAINS: Electro; Living Laser; Tiger Shark |
| 5 | Previously | recap | 1 | pencils: various; inks: various; colors: various; letters: typeset | |
| 6 | What If... Spider-Man Intervened for the Scarlet Witch | comic story | 12 | script: Frank Tieri; pencils: Brian Haberlin; inks: Brian Haberlin; colors: Matt Milla; letters: Virtual Calligraphy, Clayton Cowles | Spider-Man [also as Green Goblin] (death); GUESTS: Aunt May; Mary Jane Parker; Gwen Stacy; Richie Parker; CAMEO: Norman Osborn; CAMEO FLASHBACK: Hawkeye |
| 7 | Say What? Spider-Man: House of M | cartoon | 4 | script: Mike Gallagher; pencils: Dave Manak; inks: Dave Manak; colors: Josh Ray; letters: Dave Manak | Spider-Man; Aunt May; Mary Jane Parker; Gwen Stacy; Green Goblin; Wolverine; Captain America; Dr. Octopus; Electro; Dr. Strange; Richie Parker; Venom; Jack O' Lantern; Sabretooth; Ultron; Tiger Shark; Bernie Madoff; Dave Manak; Mike Gallagher; Justin Gabrie |
| 8 | Marvel Heroes | cover reprint (on interior page) | 1 | pencils: Leinil Francis Yu; inks: Leinil Francis Yu; colors: Gabriele Dell'Otto | Norman Osborn; Queen Veranke; Skrull; Spider-Man; Black Panther; Captain America [Bucky Barnes]; Thor; Sentry |
| 9 | Title and Credits | credits, title page | 1 | pencils: Jelena Kevic-Djurdjevic; inks: Jelena Kevic-Djurdjevic; colors: Jelena Kevic-Djurdjevic | |
| 10 | Previously | recap | 1 | pencils: Leinil Francis Yu; inks: Mark Morales; colors: Laura Martin | |
| 11 | What If the Skrulls Succeeded in Their Secret Invasion? | comic story | 24 | script: Kevin Grevioux, Karl Bollers; pencils: Pow Rodrix; inks: Pow Rodrix; colors: Frank Martin; letters: Jeff Powell | Skrulls; Queen Veranke; Lyja; Aunt May; Captain Marvel [Noh-Varr]; Captain America [Bucky Barnes]; Invisible Woman; Human Torch; The Thing; Norman Osborn [also as Iron Man]; Wolverine; Black Panther; Storm; Thor; Captain Marvel [Mar-Vell; a Skrull]; Blue Marvel; Spider-Man; Night Thrasher [Donyell T |
| 12 | Previously | recap | 1 | pencils: Leinil Francis Yu; inks: Mark Morales; colors: Laura Martin | |
| 13 | What If the Secret Invasion Remained Secret? | comic story | 12 | script: Chris Acosta; pencils: Larry Stroman; inks: Carl Potts; colors: Daniele Rudoni; letters: Jeff Powell | Norman Osborn [also a Green Goblin]; Thunderbolts [Taskmaster; Moonstone; Songbird; Bullseye; Venom [Mac Gargan]; Swordsman; Radiactive Man]; Skrulls as Spider-Woman [Queen Veranke]; Rhino; Colossus; Luke Cage; Cyclops; Emma Frost [White Queen]; Iron Man; Storm; Black Widow; Thor; The Hood; Captain |
| 14 | Say What? Secret Invasion | cartoon | 4 | script: Mike Gallagher; pencils: Dave Manak; inks: Dave Manak; colors: Josh Ray; letters: Dave Manak | Watcher; Queen Veranke; Namor, the Sub-Mariner; Emma Frost [White Queen]; Loki; Dr. Doom; Norman Osborn; Skrulls as Mark Paniccia; Ralph Macchio; Joe Quesada; Axel Alonso; Tom Brevoort; Hulk; Abomination; Mr. Fantastic; Invisible Woman; Dr. Donald Blake; Ares; Jarvis; Spider-Man |
| 15 | World War Hulk | cover reprint (on interior page) | 1 | pencils: John Romita Jr.; inks: Marko Djurdjević, Kai Spannuth; colors: Marko Djurdjević, Kai Spannuth | Hulk; Yellowjacket; Wasp; Vision; Silver Surfer; Bucky |
| 16 | What If? World War Hulk | credits, title page | 1 | letters: typeset | Watcher |
| 17 | Previously... | recap | 1 | letters: typeset | Hulk; Illuminiti [Dr. Strange; Mr. Fantastic; Iron Man [Tony Stark]; Black Bolt]; Miek; Kronan; Hiroim; Caiera; Sentry; Daredevil (skrull); Spider-Man (skrull); Iron Fist (skrull); Storm (skrull); Iron Man (skrull); Sub-Mariner (skrull); Phoenix (skrull); Thing (skrull); Mr. Fantastic (skrull); Blac |
| 18 | What if the Heroes Lost World War Hulk? | comic story | 21 | script: Mike Raicht; pencils: Lucio Parrillo; inks: Lucio Parrillo; colors: Lucio Parrillo | Hulk; Sentry; Mr. Fantastic; Tony Stark; Spider-Woman; Human Torch; Invisible Woman; Skrull Bishop; Vision; Bruce Banner; Thor; Firebird; Venom; Colossus; Black Widow; Cyclops (skrull); Thing (skrull); Mr. Fantastic (skrull); Cannonball; Bucky; Yellowjacket; Constrictor; Warpath; Mockingbird; Wasp ( |
| 19 | Previously... | recap | 1 | letters: typeset | Hulk; Illuminati [Black Bolt; Dr. Strange; Mr. Fantastic; Iron Man]; Thor; Warriors Three [Volstagg; Fandral; Hogun]; Dr. Don Blake |
| 20 | What If Thor Entered World War Hulk? | comic story | 12 | script: Michael Gallagher; pencils: Patrick Spaziante; inks: Patrick Spaziante; colors: Patrick Spaziante; letters: Jeff Powell | Hulk; Thor [Donald Blake]; Warriors Three [Volstagg; Fandral; Hogun]; Illuminati [Dr. Strange; Mr. Fantastic; Iron Man [Tony Stark]; Black Bolt]; Watcher; Warbound [Miek; Kronan; Hiroim; Elloe]; Sentry |
| 21 | Say What? World War Hulk | comic story | 4 | script: Mike Gallagher; pencils: Dave Manak; inks: Dave Manak; colors: Josh Ray; letters: Dave Manak | Hulk; Black Bolt; Dr. Strange; Iron Man; Miek; Medusa; Mr. Fantastic; Sentry; Hiroim |
| 22 | - | cover reprint (on interior page) | 1 | pencils: Klaus Janson; inks: Klaus Janson; colors: Dean White | Elektra; The Advocate [Matt Murdock] |
| 23 | Title and Credits | credits, title page | 1 | pencils: Jelena Kevic-Djurdjevic; inks: Jelena Kevic-Djurdjevic; colors: Jelena Kevic-Djurdjevic | |
| 24 | Previously | recap | 1 | pencils: Frank Miller; inks: Klaus Janson | |
| 25 | - | comic story | 32 | script: Karl Bollers; pencils: Rafael Kayanan; inks: Rafael Kayanan; colors: Lovern Kindzierski; letters: Jeff Powell | Elektra; The Advocate [Matt Murdock] (death); GUESTS: Nick Fury; Dum Dum Dugan; SHIELD; Battling Jack Murdock; The Fixer; Ben Urich; Foggy Nelson; Agent Chastity McBryde; Agent John Garrett; Turk; Grotto; Stick; Claw [Wolverine]; Sting [Black Widow]; Stone [Luke Cage]; Flame [Iron Fist]; Seer [Echo] |
| 26 | Say What? Daredevil Vs. Elektra | cartoon | 4 | script: Mike Gallagher; pencils: Dave Manak; inks: Dave Manak; colors: Josh Ray; letters: Dave Manak | Daredevil; Elektra; Black Widow; Battling Jack Murdock; The Fixer; Ben Urich; Kingpin; Stick; John Garrett; Colleen Wing; Mandarin; Nick Fury; Foggy Nelson; The Hand; Bullseye; The Advocate [Matt Murdock] |
| 27 | - | cover reprint (on interior page) | 1 | pencils: J. Scott Campbell; inks: J. Scott Campbell; colors: Kai Spannuth | Cyclops [Scott Summers]; Jean Grey; Emma Frost [White Queen] |
| 28 | Title and Credits | credits, title page | 1 | pencils: Jelena Kevic-Djurdjevic; inks: Jelena Kevic-Djurdjevic; colors: Jelena Kevic-Djurdjevic | |
| 29 | Previously | recap | 1 | pencils: John Cassaday; inks: John Cassaday; colors: Laura Martin | |
| 30 | What If Ord Resurrected Jean Grey Instead of Colossus? | comic story | 20 | script: Jim McCann; pencils: David Yardin, Ibraim Roberson; colors: Kai Spannuth; letters: Jeff Powell | X-Men [Cyclops; Emma Frost [White Queen]; Jean Grey; Beast; Wolverine; Kitty Pryde; Cuckoo Sisters]; Lockheed; Nick Fury; Agent Brand; SHIELD; Ord of the Breakworld (villain); Cassandra Nova (villain); Watcher (cameo); Dr. Kavita Rao (cameo flashback) |
| 31 | What If Danger Became a Bride of Ultron? | comic story | 12 | script: Matteo Casali; pencils: Mike Getty; inks: Mike Getty; colors: Jorge Maese; letters: Jeff Powell | Beast, Colossus, Cyclops, Emma Frost, Logan, Hank McCoy, Professor X, Scott Summers, Wolverine, Charles Xavier |
| 32 | Say What? Astonishing X-Men | cartoon | 4 | script: Mike Gallagher; pencils: Dave Manak; inks: Dave Manak; colors: Josh Ray; letters: Dave Manak | Cyclops; Emma Frost [White Queen]; Jean Grey; Colossus; Kitty Pryde; Beast; Wolverine; Lockheed |
| 33 | This Just In... | illustration | 1 | script: Justin Gabrie, A. J. Fierro; pencils: J. Scott Campbell; inks: J. Scott Campbell | Cyclops; Jean Grey; Emma Frost [White Queen] |