L.E.G.I.O.N. #23 was published by DC Comics on January 1, 1991, as part of a series that began in 1989. Alan Grant writes, and art comes from Jim Fern, Kim DeMulder and Lovern Kindzierski. This 52-page issue features Brainiac, Lobo, Captain Comet, Vril Dox and Lady Quark, among 14 characters cataloged on VerseDB.