Story by Peter J. Tomasi. Art by Carlo Barberi, Matt Santorelli. Cover by Dan Mora.
Locked in an intergalactic juvenile detention facility, Superboy and Robin meet the youngest...and meanest...Green Lantern ever. Well, sort of a GL. Mostly a GL. Really more of a trainee, but don't tell the bad guys, okay? Plus, Joker Jr. returns...the clown who may be the boys' last, best hope to stop the Gang. RATED T.