The Dark Knight. The Man of Steel. They are the two finest superheroes that the world has ever known...and they're together again in an epic new series from the legendary talents of Mark Waid and Dan Mora! In the not-too-distant past, Superman's powers are supercharged from a devastating chemical attack by the villain Metallo...and the only ally that the ultra-powerful Man of Tomorrow can turn to in this turbulent hour is Gotham's own dark vengeance: the Batman.