Batman: Gotham Knights #22

A 'Joker's Last Laugh' tie-in. With the Joker's crazed super-villains terrorizing the DCU, Batman and Spoiler are left to defend Gotham City from a truly twisted new threat, as the Joker's brand of chemical warfare has transformed the creatures of the city.

Written By:
Devin Grayson, Mike Golden
Roger Robinson, Jason Pearson
John Floyd, Jason Pearson
Cover By:
T. Horie, Ed McGuinness, Jason Martin