- Script
- Rich Margopoulos (credited)
- Pencils
- Bob Budiansky (credited)
- Inks
- Mike Esposito (credited)
- Colors
- Bob Sharen (credited)
- Letters
- Karin Nemri (credited)
- First Line of Dialogue or Text
- I am the Watcher! For untold millennia it has been my task to observe the pivotal events which help to shape the reality of your world!
- Genre
- superhero
- Characters
- The Avengers [Captain America [Steve Rogers]; Iron Man [Tony Stark]; Scarlet Witch; Thor; Vision; Wasp]; Betty Ross; Brotherhood of Evil Mutants [Blob; Lorelei; Magneto; Mastermind; Unus; Wolverine]; Daredevil [Matt Murdock]; Edwin Jarvis; Fantastic Four [Human Torch [Johnny Storm]; Invisible Girl; Mr. Fantastic; The Thing]; General Thunderbolt Ross; The Hulk [Bruce Banner]; James MacDonald Hudson; Jean-Paul; Sentinels; Spider-Man [Peter Parker]; Uatu the Watcher; Wendigo; The X-Men [Angel [Warren Worthington III]; Cyclops; Iceman; Marvel Girl [Jean Grey]; Professor X]
- Synopsis
- Wolverine kills the Hulk and joins Magneto's Brotherhood of Evil Mutants.
- Reprints
Based on The Incredible Hulk #181 (November 1974).
Magneto should have been an infant at the time this story is set. Mageto, along with the other Brotherhood members were transformed by Alpha in Defenders #16 (October 1974).
- Script
- Tom DeFalco ?; Mark Gruenwald ?
- Colors
- ?
- Letters
- typeset
- First Line of Dialogue or Text
- What If #25 ("What if Thor fought Odin over Jane Foster?") was way out and downright unusual.
- Feature Logo
- Reprints
Letters from readers on What If? #25: Frank Titone, Chris Green, Don Shover, Wilson Rivera, Richard H. Whitten, J. Vicko.