A key issue noted for First full appearance of Arcade and First appearance of Murderworld. Marvel Team-Up #66 was published by Marvel Comics on February 1, 1978, as part of a series that began in 1972. Chris Claremont and Stan Lee write, and art comes from Dave Hunt, Frank Giacoia and Joe Sinnott. This 36-page issue features Spider-Man, Mary Jane, Captain Britain, Arcade and Jean DeWolff, among 9 characters cataloged on VerseDB.