Rick and Morty' exec producer Scott Marder shared how James Gunn and Zack Snyder agreed to parody themselves and their dueling 'Superman' takes.

In Rick and Morty Season 8, Episode 7, titled Ricker Than Fiction, creators James Gunn and Zack Snyder make surprise voice cameos, playing exaggerated versions of themselves in a hilariously meta take

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.