A key issue noted for First appearance of Anthony Grant and First appearance of Master Key. Warheads #1 was published by Marvel UK/Panini UK on June 1, 1992, as part of a series that began in 1992. Nick Vince writes, and art comes from Gary Erskine, John Beeston and Steve White. It features Wolverine, Colonel Liger, Stacy, Misha and Leona McBride, among 11 characters cataloged on VerseDB.