X-O Manowar #4 was published by Valiant/Acclaim on May 1, 1997, as part of a series that began in 1997. Brian Augustyn and Mark Waid write, and art comes from Atomic Paintbrush, Sean Chen and Tom Ryder. This 36-page issue features X-O Manowar, Megan Wylie, Colonel James Laidlaw, Tish Boudreau and Donovan Wylie, among 9 characters cataloged on VerseDB.