BUILDING INTO DC K.O.! All-stars Mark Waid and Dan Mora bring the next chapter of their Justice League saga to life in this epic prelude to DC K.O.! Time travelers from all corners of the DC Universe have been mysteriously disappearing--and the truth of the mystery surrounding them may be more dangerous and earth-shattering than anything the Justice League could imagine. Superstars Mark Waid and Dan Mora are on the front lines of a story that will reshape the DCU forever, and it all starts here! Can Superman, Batman, Wonder Woman, and their team of heroes solve it in time, or is it already too late?
