"SUPERMAN REBORN" part one! In DC UNIVERSE: REBIRTH #1, the enigmatic Mr. Oz told Superman, "You and your family are not what you believe you are. And neither was the fallen Superman." Now, in the first Rebirth crossover between SUPERMAN and ACTION COMICS, the shocking truth behind Oz's words is revealed. It begins with one of Oz's prisoners escaping, and ends in a tragic moment for Lois and Superman.