For a movie that's meant to represent the birth of a brand-new cinematic universe (the DCU), James Gunn's slight and slaphappy take on "Superman" doesn't feel much like the start of anything.  In part,

Zack Snyder gives James Gunn some unsolicited advice about his 'Superman' movie as the two cameo on 'Rick and Morty': 'He's the Man of Steel, not the Man of Conversation.'

James Gunn And Zack Snyder's Rick And Morty Appearance Explains Viral Meet-Up Fans may remember back in February 2025, James Gunn took to Instagram to share a pic of him and Zack Snyder palling around and looking like dear old friends.