Fantastic Beasts and Where To Find Them is almost certainly the biggest film left on the film calendar and Warner Brothers are going to be sure you know it. The marketing campaign is already kicking, and I expect it will only get thrown on more.
Case in point, here is a new TV Spot for the film. It shows off the 'shadow' that the characters will be facing off against, as well as a whole bunch of those fantastic beasts. You cane take a look here: