Swamp Thing #89 was published by DC Comics on November 1, 1989, as part of a series that began in 1986. Doug Wheeler writes, and art comes from John Totleben, Ken Hooper and Mark McMurray. This 36-page issue features John Constantine, Swamp Thing, Abby Holland, Chester Williams and Liz Tremayne, among 10 characters cataloged on VerseDB.