(W) David Hine (A) Scott McDaniel, Andy Owens (CA) Peter Nguyen. Written by DAVID HINE Art by SCOTT MCDANIEL and ANDY OWENS Cover by PETER NGUYEN A variation of The Joker drug is causing users to suffer violent mental breakdowns. Now* the citizens of Gotham City are divided into two gangs: one led by a Batman impostor who pledges to bring law back to the streets* the other led by a Joker look-alike out to punish the innocent. Collected from DETECTIVE COMICS #867-891. On sale AUGUST 10 * 128 pg* FC* $14.99 US