Superman, Batman, Wonder Woman, The Flash, Green Lantern, Aquaman and Martian Manhunter...each a mighty hero in their own right, possessed of power beyond mortal imagination. But together, united under a common banner, they are the ultimate, world-shaking, gob-smacking dream team - The Justice League of America! Meet Prometheus. He knows everything there is to know about the JLA. How they think, how they fight, their strengths, their weaknesses. In fact, he's got everything he needs...to kill each and every last one of them! New foes, new members...and a new look -- this is the biggest and best JLA yet.