Adventures of the Super Sons Vol. 2: Intergalactic Showdown! (DC Universe Rebirth)

Peter J. Tomasi; Carlo Barberi

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 ...