Countdown Countdown – Last Laugh | Issue#50 | Year:2007 | Series: Countdown | Pub: DC Comics |

No. of Pages: 32 | Characters: Batman (Bruce Wayne) | Superman (Kal-El / Clark Kent) | Joker | Creators: Paul Dini | Justin Gray | Jimmy Palmiotti | Key Reason: | Plot: Jimmy Olsen is investigating the mysterious death of Duela Dent, the Joker’s daughter. With Superman’s help he tracks down Jason Todd to hear from the one living witness how it happened. But when even that testimony isn’t enough to force the story to make sense, Jason directs him to someone with answers beyond all reason… The Joker.Much of what the Joker has to say is beyond Jimmy’s ability to grasp… especially when he says that he never had a daughter.