Who is Superman’s Joker? It seems it’s the unseen terror, who makes the battle personal for Superman! By attacking all things related to the Man of Steel! Together, Batman and Superman start to track down suspects but the true identity of the villain will truly shock you! No one is safe when the one you are hunting has no motive or pattern like the real Joker!
Collecting: Batman/Superman 16-20, Annual 2, Futures End