Ex-Mutants #4 was published by Malibu on February 1, 1993, as part of a series that began in 1992. Hank Kanalz and Tom Mason write, and art comes from Joseph Allen, Ken Branch and Malibu Packrats. This 36-page issue features Bud, Ackroyd, Dillon, Shannon and Piper, among 9 characters cataloged on VerseDB.