- Script
- Louise Simonson
- Pencils
- Walter Simonson (as Walt Simonson)
- Inks
- Bob Wiacek
- Colors
- Petra Goldberg (as Petra Scotese)
- Letters
- Joe Rosen
- Genre
- superhero
- Characters
- X-Factor [Cyclops; Jean Grey; Beast; Angel; Iceman; Artie; Leech; Skids]; GUESTS: Cameron Hodge; Caliban; Erg; Tar Baby; Ape; Boom Boom; VILLAINS: Berzerker (introduction and death); Scaleface (death); Blow Hard (death); Masque; Savage Wolf Gang; Vanisher; CAMEO FLASHBACK: Jack Power; Julie Power; Katie Power; Alex Power; Thor; Scalphunter; Arclight; Harpoon; Blockbuster; CAMEOS: Apocalypse; Abraham Lincoln Kieros [introduction; becomes War]
- Synopsis
- X-Factor tries to save a group of untrusting Morlocks from the Marauders, but the group leaves their rescuers and runs up against the police instead. Boom Boom quits stealing for the Vanisher. Doctors tell Cyclops and Jean that Angel's wings will have to be amputated.
- Reprints
- Keywords
- Mutant Massacre
Continued from Power Pack #28 and Thor #374.