“52 Pick-Up” continues! Booster Gold has been tasked with preventing the origins of the world’s greatest heroes from unraveling. Next up is his greatest challenge yet: preventing one of the most horrific wrongs that's ever befallen a hero in the DC Universe.

Leaping into the pages of BATMAN: THE KILLING JOKE, Booster attempts to stop a tragedy that he discovers never should've happened — the Joker shooting and paralyzing Barbara Gordon, Batgirl.

Plus, what dark secret is Rip Hunter keeping from Booster?