Appearing in "What If... Stryfe Killed the X-Men?"
Featured Characters:
- Stryfe (First appearance; dies)
Supporting Characters:
- Cable (First appearance) (Joins the X-Men)
- X-Men (First appearance)
- Professor X (First appearance; dies)
- Wolverine (First appearance; dies)
- Iceman (First appearance; dies)
- Beast (First appearance; dies)
- Psylocke (First appearance; dies)
- Storm (First appearance; dies)
- Jean Grey (First appearance; dies)
- Cyclops (First appearance; dies)
- Archangel (First appearance; dies)
- Bishop (First appearance; dies)
- Jubilee (First appearance)
- Forge (First appearance)
- Gambit (First appearance)
- Rogue (First appearance)
- X-Factor (Only; disbands)
- Polaris (First appearance; dies)
- Havok (First appearance; dies)
- Multiple Man (First appearance) (Leaves team and joins X-Men)
- Strong Guy (First appearance) (Leaves team and joins X-Men)
- X-Force (Only; disbands)
- Cannonball (First appearance) (Leaves team and joins X-Men)
- Thunderbird (First appearance) (Leaves team and joins X-Men)
- Sunspot (First appearance) (Leaves team and joins X-Men)
- Siryn (First appearance) (Leaves team and joins X-Men)
- Feral (First appearance) (Leaves team and joins X-Men)
- Rictor (First appearance) (Leaves team and joins X-Men)
- Boomer (First appearance) (Leaves team and joins X-Men)
- Shatterstar (First appearance) (Leaves team and joins X-Men)
Antagonists:
- Apocalypse (First appearance; dies)
- Dark Riders (First appearance)
Other Characters:
Locations:
- Earth-95169 (First appearance) (Reality)
- Earth (First appearance)
- United States of America (First appearance)
- New York (First appearance)
- Westchester County (First appearance)
- North Salem (First appearance)
- Salem Center (First appearance)
- Xavier's School for Gifted Youngsters (First appearance)
- Salem Center (First appearance)
- North Salem (First appearance)
- Westchester County (First appearance)
- New York (First appearance)
- United States of America (First appearance)
- The Moon (First appearance)
- Stryfe's secret base (First appearance)
- Earth (First appearance)
Items:
- Techno-Organic Virus (First appearance)
- Wolverine's Suit (First appearance)
- Cyclops' Visor (First appearance)
- Siryn's Wings (First appearance)
- Shatterstar's Swords (First appearance)
Vehicles:
- X-Men Blackbird (First appearance)
Synopsis for "What If... Stryfe Killed the X-Men?"
- Synopsis not yet written
Notes
- While Mister Sinister makes an appearance on the cover, he doesn't appear in the story.
- While the title states "What If... Stryfe Killed the X-Men?", the majority of the X-Men were killed by Apocalypse. Stryfe only killed Wolverine and Bishop.