Peacemaker turning over a new leaf isn't on the agenda for everyone, though. Following on from the events of The Suicide Squad, Rick Flag Sr. (Frank Grillo) is out to get revenge for his son (Joel Kinnaman) after Peacemaker killed him.

John Cena made sure Comic-Con audiences could see him, dressing up in his superhero finest and debuting a new trailer at DC's "Peacemaker" panel.

The trailer for Peacemaker Season 2 features chaos and gunfire as John Cena's character confronts his past. With a new lineup of villains, including Frank Grillo and Brey Noelle, the series promises action,