Spawn #21 was published by JuniorPress BV, as part of a series that began in 1996. Brian Holguin and Todd McFarlane write, and art comes from Brian Haberlin, Dan Kemp and Danny Miki. It features Spawn (Simmons), Wanda Fitzgerald, Sam Burke, Violator and Terry Fitzgerald, among 24 characters cataloged on VerseDB.