"When the extradimensional evildoers called the Crime Syndicate invaded our world, they took down the heroes of the Justice Leauge in seconds. Only an alliance of criminals - led by Lex Luthor - turned the tide and freed the planet from their iron grip. Now, Luthor is hailed as a hero. With public opinion of him at an all-time high, Superman's former nemesis has decided to continue fighting for good full time - as a member of the Justice League!"-- Provided by publisher.