Vin Diesel says that Guardians of the Galaxy writer-director James Gunn would like to make a Groot and Rocket Raccoon spin-off movie to follow Avengers: Infinity War, calling the move "highly possible". The duo - who already star in their own spin-off comic series - have become fan favourites after being depicted by Bradley Cooper and Diesel (plus some advanced CGI) in the Marvel Cinematic Universe. "I think if it's up to James Gunn," Diesel told Screenjunkies, "you're going to see a Groot-Rocket movie after Infinity Wars.