Legion Lost #12 was published by DC Comics on April 1, 2001, as part of a series that began in 2000. Andy Lanning and Dan Abnett write, and art comes from Olivier Coipel, Richard Horie and Tanya Horie. This 40-page issue features Saturn Girl, Cosmic Boy, Brainiac 5, Lightning Lad and Chameleon Boy, among 13 characters cataloged on VerseDB.