A forgetful fish, infighting superheroes and some intergalactic rebels led the North American box office in 2016, which, with an estimated $11.2 billion in earnings to date, has become the highest grossing year of all time – slightly surpassing last year’s $11.1 billion record. Those top three films, “Finding Dory,” ”Captain America: Civil War,” and “Rogue One: A Star Wars Story,” all had the common thread of being under the Walt Disney Studios banner, which had its own records to celebrate.