The Defenders #81 was published by Marvel Comics on March 1, 1980, as part of a series that began in 1972. Ed Hannigan and Ed Shukin write, and art comes from Al Milgrom, Barry Grossman and Ben Sean. This 36-page issue features Hulk, Doctor Strange, Namor, Hank Pym and Wasp, among 14 characters cataloged on VerseDB.