- Script:
- John Byrne (plot); Chris Claremont (plot, script)
- Pencils:
- John Byrne
- Inks:
- Terry Austin
- Colors:
- Glynis Wein
- Letters:
- Tom Orzechowski
- Genre:
- superhero
- Characters:
- FEATURE: X-Men [Professor X; Cyclops; Phoenix [Jean Grey]; Storm; Wolverine; Colossus; Nightcrawler]; GUESTS: Angel; Candy Southern; VILLAINS: Hellfire Club [Sebastian Shaw; Harry Leland (1st Full); Donald Pierce (1st Full); Mastermind; Tessa (1st)]; Hellfire Soldiers; CAMEO FLASHBACK: White Queen [Emma Frost]; Dazzler; Kitty Pryde
- Synopsis:
- The X-Men seek out Angel's advice on how to deal with the Hellfire Club as he is a member; The X-Men infiltrate the Club and are beaten by the inner circle; Mastermind works his final mojo on Jean Grey and she becomes the Black Queen of the Hellfire Club; Wolverine is the only X-Man left to mount a rescue.
- Reprints: show reprint note before migration
Last panel of Wolverine in the sewers promising his solo revenge on the Hellfire Club is one of the most famous (and tributed) Wolvie images on file.