- Script
- Mark Waid (credited)
- Pencils
- Andy Kubert (credited)
- Inks
- Dan Panosian (credited)
- Colors
- Joe Rosas (credited); Malibu Coloring (credited as Malibu) (separations)
- Letters
- Richard Starkings (credited); Comicraft (credited)
- Genre
- superhero
- Characters
- X-Men [Professor X; Cyclops; Jean Grey; Storm; Gambit; Wolverine; Bishop; Iceman; Beast; Dark Beast; Cannonball]; Onslaught (villain); Juggernaut (villain); Psylocke (cameo flashback); Sabretooth (cameo flashback); Magneto (cameo flashback); Graydon Creed (cameo in photo); Franklin Richards (cameo in photo)
- Synopsis
- Juggernaut shows up at the mansion so Jean can remove a mental block and help him discover who Onslaught is. Beast escapes from Dark Beast's prison. Onslaught captures Juggernaut and rips the Gem of Cyttorak from his body. Xavier is revealed as Onslaught.
- Reprints
Cont. from Uncanny X-Men #334; Cont. in X-Men: Onslaught.
- Script
- ?
- Letters
- Comicraft; typeset
Letters from readers: Angie Saunders, Alexandra Personias, Nick Caruso, David Baird, Debra Dampre