A key issue noted for First full appearance of Onslaught. X-Men #53 was published by Marvel Comics on June 1, 1996, as part of a series that began in 1991. Mark Waid writes, and art comes from Andy Kubert, Cam Smith and Joe Rosas. This 36-page issue features Cyclops, Beast, Jean Grey, Professor X and Angel, among 12 characters cataloged on VerseDB.