Nightwing (1996-2009) #62

A JOKER'S LAST LAUGH tie-in! Nightwing busts into the Slab to stop the Joker and his army of Jokerized pals. But Dick realizes he may have gotten in over his head when he has to fight his way through everyone from Frag to Dr. Sivana to Meathead to Leather to Rancor to Riot.