FEATURE: X-Men [Cyclops; Phoenix [Jean Grey; also as Dark Phoenix on last page]; Storm; Wolverine; Colossus; Nightcrawler]; GUESTS: Beast; VILLAINS: Hellfire Club [Sebastian Shaw; Harry Leland; Donald Pierce; Mastermind]; Hellfire Soldiers; CAMEO: Senator Robert Kelly
Synopsis:
Jean breaks Mastermind's spell over her and the X-Men battle the Hellfire Club through the Club's mansion; Jean drives Mastermind insane for toying with her mind; Jean snaps and becomes Dark Phoenix.