In this epic tale, the Legion of Super-Heroes must fight a desperate battle to stop a threat to more than one world! Wounds of the past are reopened when the descendants of Superman’s family on Rokyn are all wiped out, with only one survivor! And an attack on Colu by a war-world provides the pretext for a much worse conflict to come! Will one of the Legion’s most dangerous foes finally succeed in gaining control of the universe? And what connection does this foe have to one of Superman’s most dangerous enemies? Introducing Andromeda!
In the midst of the Crisis on Infinite Earths, police scientist Marlon Wells is struck by lightning and splashed by chemicals in a scene eerily reminiscent of the origin story of an old comic-book hero, the Flash. After being astonished to learn he also possesses the same super-speed as his hero, Marlon realizes he must use his powers for good. But with the world on the brink of annihilation, what can even a Speed Demon do?
As the remaining Earths begin to merge together, Brainiac and Lex Luthor of Earth-One have a plan to take them all! With an army of super-villains gathered from all five Earths, they mount a carefully planned invasion of Earth-Four, Earth-S, and Earth-X, swiftly defeating those worlds’ heroes. An army of super-heroes from Earth-One and Earth-Two soon arrive to free the other three Earths, but with the numbers favoring the villains, can the heroes rally to beat the odds? Guest starring the Justice League of America, the Justice Society of America, the New Teen Titans, the Outsiders, Infinity Inc., the Doom Patrol, the Marvel Family, the Freedom Fighters, and the Sentinels of Justice!