简要：Can the Justice Alliance defeat an unstoppable interstellar machine!? So far, the Justice Alliance has defeated all the enemies who challenge them. This time, they are facing Brainiac, a super intelligent and impenetrable machine whose crazy pursuit endangers all life in the Milky Way. When Brainiac sent Superman, Wonder Woman and Green Lantern to different places in time, the competition between Batman and Flash to rebuild the Justice Alliance began!
