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A lot changed for James Gunn between seasons 1 and 2 of "Peacemaker." He went from writing in a small corner of the DC Extended Universe to overseeing a relaunched DC Universe. Peacemaker, both the show and eponymous antihero Christopher Smith (John Cena), is something Gunn decided to carry over from one world to the next.

Since "Peacemaker" season 1 was written as set in the DCEU, there were references to that wider world and its heroes. Chris mentioned how Batman is a "p*ssy" because he doesn't kill criminals, or how Aquaman supposedly has relations with fish. The big DCEU link is season finale "It's Cow or Never," when members of the Justice League, as assembled by Zack Snyder, cameoed: Aquaman (Jason Momoa), the Flash (Ezra

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