Checkmate #26 was published by DC Comics on March 1, 1990, as part of a series that began in 1988. Mark Waid and Paul Kupperberg write, and art comes from Bill Jaaska, Julianna Ferriter and Michael Bair. This 36-page issue features Harvey Bullock, Peacemaker, Harry Stein, Black Thorn and Gary Washington, among 11 characters cataloged on VerseDB.