R.E.B.E.L.S. #21 was published by DC Comics on December 1, 2010, as part of a series that began in 2009. Tony Bedard writes, and art comes from Claude St. Aubin, Francis Portela and Javier Mena Guerrero. This 36-page issue features Starfire, Lobo, Adam Strange, Salaak and Captain Comet, among 13 characters cataloged on VerseDB.