All eight Harry Potter films might be hitching a broomstick right off of HBO Max in August, but WarnerMedia's streaming service has plenty of gems debuting next month, too. Batman is back in a big way, with Tim Burton's Batman and Batman Returns arriving on August 1 alongside Joel Schumacher's Batman Forever and Batman & Robin, plus Christopher Nolan's Batman Begins and The Dark Knight. Some other early-August highlights include Blade Runner: The Final Cut, The Fugitive, Ocean's Eleven, and Wedding Crashers. On the original film front, An American Pickle—which stars Seth Rogen …