The League is back and bigger than ever, as writer Mark Waid and artist Dan Mora helm the flagship series of DC's bestselling, new-reader-friendly All In initiative! In recent years, the Justice League had disbanded-but now, following the events of the DC blockbuster event Absolute Power, the World's Greatest Super Heroes are a team once again-and opening the doors of their Watchtower headquarters to heroes from across the DC Universe! Following the death of the ultra-powerful super-villain Darkseid, a massive power vacuum has been triggered, and Superman, Batman, and Wonder Woman must unite like never before and expand the Justice League to encompass every hero championing the forces of good in the face of incredible evil! DC fans will thrill at watching never-before-seen configurations of heroes-from the iconic to the obscure-taking on the biggest threats in the universe! As our heroes work to uncover the mystery of the dark lord's successor, Ray Palmer's Atom Project triggers a race between hero and villain to control the fate of metahuman abilities on planet Earth that threatens to destroy everything the League has built-unless a traitor in their midst destroys them first! Do not miss the dawn of the new era of justice in the first Justice League story in years! This volume collects Justice League Unlimited #1-6.