Wolverine #21 was published by Marvel Comics on February 1, 1990, as part of a series that began in 1988. Archie Goodwin and Marie Javins write, and art comes from Glynis Oliver, John Byrne and Klaus Janson. This 36-page issue features Wolverine, Colossus, Daredevil, Betsy Braddock and Havok, among 17 characters cataloged on VerseDB.