What If...? #90 was published by Marvel Comics on October 1, 1996, as part of a series that began in 1989. Todd Dezago writes, and art comes from Ariel Olivetti, Durwin Talon and Jim Daly. This 36-page issue features Cyclops, Professor X, Havok, Corsair and Dark Beast, among 6 characters cataloged on VerseDB.