Written by PETER CALLOWAY Art by ANDRES GUINALDO and LORENZO RUGGIERO Cover by GUILLEM MARCH The breakout at Arkham continues here! When Batman shows up to stop the escaping villains, battle lines will be drawn. Will Selina stick by The Sirens? Or will she take on Harley and Ivy? The ending will shock you! Guest starring Batman, The Joker and Clayface. 32 pg, FC, RATED T Cover price $2.99.