Jae Ha Lee

Until now, the Justice League has been a loose association of superpowered individuals. But when they are swept away to Warworld, a place of unending brutal gladiatorial combat, Batman, Superman, Wonder Woman and the others must somehow unite to form an unbeatable resistance able to lead an entire planet to freedom.

A novice hitman is startled by all his 'contracts' terminating themselves by accident. He celebrates the chance to be paid the big bucks while not actually killing anyone until one of his targets refuses to die.