James Gunn’s series “Peacemaker,” starring John Cena, will be one of the rare DC properties that will carry over into the newly rebooted and reset DC Universe. While Gunn’s new DC Studios basically scrapped much of the past DCEU (Gal Gadot as “Wonder Woman,” etc.,) a new casting announcement for the second “Peacemaker” season is highlighting some of the connective tissue he intends to bring to the new DC.