Batman: Going Sane (2008)

Start year: 2008

Issues in volume: 1

 Discover whether The Joker would become sane if Batman disappeared in this thriller collecting Legends of the Dark Knight #65-68 and #100! After a life-and-death struggle, The Joker seemingly kills Batman. Faced with the loss of his nemesis, the insane Joker can only retreat…into sanity. 

Publisher: DC Comics

Issues in this volume: