As a part of the acclaimed DC Comics--The New 52 event of September 2011, the United Nations brings together Batman, Booster Gold, Green Lantern Guy Gardner, August General in Iron, Fire, Ice, Vixen and Rocket Red-a new group called Justice League International! With the growing presence of super beings around the world, the JLI are charged with promoting unity and trust-but if they're going to discover the mystery behind the giant alien Signalmen who are appearing all over the globe can they reach that goal without killing each other first?