BATMAN SUPERMAN WORLDS FINEST #9

(W) Mark Waid (A/CA) Dan Mora

Batman and Superman are on a quest to train the mysterious new hero Boy Thunder... but what's that in the dark? A faint noise...sounds like a laugh? Uh-oh. The Joker is here and he's got his own plans for a super-powered sidekick! Someone hide all the crowbars, quick!