The following post contains spoilers for all of "Peacemaker" season 2.

One of the best things James Gunn did with "Peacemaker" season 2 was to make it feel like both an integral part of the DC Universe and a great follow-up to the first season. Story-wise, the second season continues to follow Christopher Smith (John Cena) as he tries to grow and learn from his previous mistakes in the hopes of becoming a better person (rather than remaining a tool for violence).

At the same time, season 2 has major repercussions for the future of the DCU, starting with Lex Luthor's (Nicholas Hoult) short but crucial cameo (which is clearly laying the groundwork for his role in "Man of Tomorrow"). More than just a brief appearance to remind those watching about an actor who also showed up in tha

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