User blog comment:The Arrival/Batman: Arkham Knight Mysteries/@comment-5795364-20140707170745

i think that the joker corpse batman held in the end of arkham city is clayface, he was thrown into a lazarus pit, meaning he might survived, and the real joker did managed to become an immortal, but i don't think the arkham knight fits joker and i really hope it isn't joker.