Detective Comics #872 2010

Detective Comics #872, part of Scott Snyder's acclaimed "The Black Mirror" arc, features Dick Grayson's Batman infiltrating the clandestine Mirror House auction. Disguised, he seeks "The Dealer," who sells villainous artifacts, including the Joker's crowbar. Batman's identity is exposed, and he succumbs to gas as the crowd turns hostile. Meanwhile, Commissioner Gordon's backup story continues his harrowing search for his estranged son, James Gordon Jr. This issue is notable for its intense plot and character development within Snyder's highly regarded run.