Actors Johnny Knoxville and Josh Hutcherson wield weapons as they prepare to take down a zombie, who ends up baring his cheeks and letting out explosive, bloody diarrhea onto Hutcherson.

Playing studio chief Matt Remick, Rogen gets the final word: “No, itr’s true, but I definitely want that diarrhea explosion in the trailer.” Premiering on March 26, “The Studio” was ...