Peacemaker is hot on the heels of his cameo appearance in Superman, the big first official movie in James Gunn’s version of the DC Universe, but he’s not stopping there. Not only does this movie need to follow Superman, but it also needs to address those big cameos from Season 1. This reveal just confirms that James Gunn’s DC Universe will continue to explore the multiverse. John Cena and Danielle Brooks in Peacemaker Season 2 HBO MaxJames Gunn recently said that Peacemaker will be more important to the DC Universe than fans may think. Now’s the time to start scouring for clues — this metal-headed hero could very well hold the key for the future of the DC Universe as we know it.