Superman/Batman #24

"With a Vengeance," part 5. The fate of the universe hangs in the balance unless the World's Finest Team--The Dark Damsel Detective and The Woman of Steel, that is--can stop it! There's nothing more incredible than the debut of Batwoman and Superwoman! Guest-starring Superlad! Well, maybe the Supergirls Squad!! Or the reveal of the villain behind it all and the death of a hero!!!!