James Gunn and Zack Snyder are going head to head over Superman — though maybe not in the way fans expected. Days before Gunn's Superman movie flies into theaters, the filmmaker and DC Studios co-chief joined forces with Snyder for a cameo on the latest episode of Rick and Morty.

James Gunn, writer and director of the off-kilter "Guardians of the Galaxy" films, tussled with various ideas on how to deliver a new take on Superman to the big screen. Gunn said he was aware of the many ways the noble hero had been approached since his 1938 debut,

In a recent GQ cover story on David Corenswet, who plays Clark Kent/Superman in the film, Gunn shared his thoughts on the pressure to deliver at the box office amid “superhero fatigue” in recent years.