An epic battle is taking place in Gotham City...below the city streets?! Batman and MR. WORTH are locked in a deadly duel involving a rocket launcher, a micro-cave subterranean system, and a whole lot of bloody knuckles. Can Huntress save Lady Clayface before the entire city collapses from underneath itself? Plus: the insidious VILE makes his move, and boy is it UGLY... FEATURING 'MARCH OF THE PENGUIN': Gotham's seediest gangster is looking to take advantage of the unrest in the city, and the Penguin is finally ready to make his move!