In the episode, which airs on HBO Max, Rick Flag Sr. played by Frank Grillo tasks his team with searching the Quantum Unfolding Chamber for another dimension where he can carry out his plan. Meanwhile, things are looking bleak for John Cena ’s Chris Smith.

Season 2 of Gunn’s HBO Max series “Peacemaker,” which concluded on Thursday, provides an even more crucial launching pad for the overarching story Gunn aims to tell within the DCU, with the introducti...