 Mountain Dew later stated via tweet that there would not be any more flavors returning 'by Popular DEWmand' for now, as it was only intended to be a summer program.After much speculation over a leaked Instagram photo of a potential new flavor, it was officially announced that Mountain Dew was teaming up with Warner Bros. Pictures' and Legendary Pictures' film The Dark Knight Rises and released a limited-edition flavor on 18 June 2012.A website — DEWGothamCity.com — was launched, on which fans were able to enter codes to access exclusive content and details on the movie before its 20 July release date.