Superman/ Batman # 87 (DC Comics 2011)
It's the brutal final chapter of The Secret.
The mastermind behind all the trouble that Superman and Batman have been plagued with ever since that dead body washed ashore in Metropolis stands revealed and it's none other than the Clown Prince of Crime himself, The Joker.
Better get ready to duck, Clark.
Superman/Batman # 87 is by written by Joshua Hale Fialokov with art by Tomás Giorello and a cover by Miguel Sepulveda.
Superman/Batman # 87 is a 32 page comic book in full color and rated T.