Justice League Volume 4 - The Grid (The New 52)

The Justice League . . . taken down from within!

Even the heroes of the Justice League aren't capable of protecting the entire planet on their own. When Superman, Batman, Wonder Woman, Flash, Cyborg and Aquaman host a membership drive to look for new teammates, some of the most powerful beings on Earth show up. HOwever , one of the recruits isn't there to join the team, but to destroy them from within!