Overview

• Peacemaker Season 2 premieres on HBO Max on August 21, 2025, as the first live-action series fully integrated into James Gunn’s rebooted DCU continuity.
• The new trailer revealed at San Diego Comic-Con centers on a multiverse storyline in which Peacemaker uses the Quantum Unfolding Chamber to explore parallel dimensions.
• Frank Grillo returns as Rick Flag Sr., whose vendetta against Peacemaker for his son’s death in The Suicide Squad drives a central revenge arc.
• Isabela Merced’s Hawkgirl, Nathan Fillion’s Guy Gardner/Green Lantern and Sean Gunn’s Maxwell Lord cross over from Superman to expand the DCU’s interconnected narrative.
• James Gunn has indicated that legacy heroes such as Aquaman and The Flash will be recast in future DCU projects rather than inherited from the DCEU.