The World's Finest Team-Up!The most iconic superheroes in the galaxy unite for an unbelievable adventure when Superman's greatest foe, Lex Luthor, becomes president of the United States and starts an all-out super-powered hunt for the Man of Tomorrow. Nearby in Gotham, Batman finds that Superman is not the last Kryptonian as he discovers another living survivor...Kal-El's cousin, Supergirl! However, behind this immense discovery may be the gravest threat of all: Darkseid! Together, Superman and Batman square off against the deadliest villains the world has ever known, in an unforgettable series of team-up adventures!Superman/Batman Omnibus Vol. 1 collects these and other classic tales featuring the Man of Steel and the Dark Knight. Written and drawn by a host of comics superstars including JEPH LOEB ( Batman: The Long Halloween, Superman for All Seasons), ED McGUINNESS ( Superman), MARK VERHEIDEN ( The Phantom), and ETHAN VAN SCIVER ( Green Lantern), this volume collects stories from