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.

San Diego Comic Con got a healthy dose of peace on Saturday. Star John Cena dressed up in full costume as his DC Universe character Peacemaker for the show’s Hall H panel. He was joined by showrunner and DC Studios co-president James Gunn and co-stars Frank Grillo,

James this is the first time you’ve been in front of crowd since Superman,” said Peacemaker‘s moderator Joshua Horowitz, which triggered Hall H to erupt in cheer. In the new trailer that dropped John Cena’s Christopher Smith is dealing with a parallel dimension just like ours and he loves it.