The Defenders #91 was published by Marvel Comics on January 1, 1981, as part of a series that began in 1972. Ed Hannigan writes, and art comes from Al Milgrom, Bob McLeod and Don Perlin. This 36-page issue features Hulk, Daredevil, Hellcat, Valkyrie and Nighthawk, among 10 characters cataloged on VerseDB.