A key issue noted for First appearance of Baron Zemo (Helmut Zemo). Captain America #275 was published by Marvel Comics on November 1, 1982, as part of a series that began in 1968. Jim Shooter and J.M. DeMatteis write, and art comes from Brett Breeding, Don Warfield and Joe Rubinstein. This 36-page issue features Spider-Man, Captain America, Sam Wilson, Baron Helmut Zemo and Arnim Zola, among 15 characters cataloged on VerseDB.