Issue: #5
"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...
Creators: Harvey Richards, Hi-Fi, Geoff Johns, Michael Siglain, Nick J. Napolitano, Dan Jurgens, Norm Rapmund, Lee Loughridge, Jeff Katz
Characters: Batman, Joker, Scarecrow, James Gordon, Peacemaker, Barbara Gordon, Blue Beetle (Reyes), Booster Gold, Skeets, Rip Hunter, Dan Garret, Despero, Ultra-Humanite, Black Beetle, Rex Hunter, Per Degaton
Story arcs: 52, The Killing Joke