A photo of John Cena on the Peacemaker set with Superman star David Corenswet set the internet afire, but the reason it happened is not quite as exciting.

James Gunn has just presented the Peacemaker fans with a huge treat: a behind-the-scenes shot with none other than Lex Luthor and team.

We highlight and rank every major cameo in Peacemaker Season 2, from fallen Suicide Squad member Rick Flag Jr. to Superman villain Lex Luthor.

Warning: SPOILERS are ahead for the Peacemaker Season 2 finale, titled "Full Nelson," are ahead for anyone who isn't streaming the episode with an HBO Max subscription.

Peacemaker Season 2 introduces the DCU multiverse but fails to capitalize on its potential, missing opportunities to connect with other DC content.

The season 2 finale of 'Peacemaker' left fans with a shocking cliffhanger. Here's what we know about a potential third season.

Speaking on the season 2 finale edition of The Official Peacemaker Podcast, Gunn says Salvation "is where we're sort of beginning part of the larger story in the DCU". So, it'll be integral to this franchise's overarching narrative moving forward, including Gunn's Superman follow-up.

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 Peacemaker ended on quite a cliffhanger for Chris. His buds form Checkmate, the metahuman Blackwater of DC Comics. But Chris himself gets yeeted to a secret jail planet by Rick Flagg Sr. Seems like John Cena and the crew will need a third season to resolve those problems,

Peacemaker season 2 character Captain Triumph has origins in DC comics, but the show gives him a pretty big twist not everyone will be aware of.