Blockbuster #7 was published by Marvel UK/Panini UK on December 1, 1981, as part of a series that began in 1981. Chris Claremont and Steve Gerber write, and art comes from Gil Kane, Jim Mooney and John Byrne. It features Quicksilver, Iron Fist, Medusa, Black Bolt and Crystal, among 22 characters cataloged on VerseDB.