Something hellish is brewing in the tunnels under Arkham Asylum…and Batman’s going to need the help of The Demon to stop it!
Written by SCOTT SNYDER, JAMES TYNION IV, RAY FAWKES, JOHN LAYMAN and TIM SEELEY
Art by TREVOR McCARTHY
Cover by ANDY KUBERT
On sale MAY 14 • 32 pg, FC, US • RATED T