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,

James Gunn’s “Superman” is set to launch an entire new DC Universe, but the writer-director is not feeling the kind of pressure one might think. Gunn, who is also the co-head of DC Studios with Peter Safran,