During the events of Justice League: Cry for Justice, Prometheus goes up against the entire Justice League. After defeating most of them and maiming Roy Harper, he is finally taken down by Donna Troy, who restrains from killing him. He uses a series of hidden bombs as leverage to get away. Before the team can decide what to do a portion of Star City is destroyed. To guarantee that the other bombs don't go off Green Arrow trades Prometheus his freedom for the safety of thousands of civilians. It is eventually realized that Roy's daughter Lian Harper was killed in the explosion and a guilty Green Arrow swore justice would be delivered. He hunted Prometheus down and shot him in the head. Green Arrow was soon arrested, unmasked and shunned by the world. During Brightest Day, The Entity brings