Universal came out with a very funny trailer for Jaws 19. Clearly this is a joke, a very clever one. Universal is paying tribute to the 'Back to the Future' franchise.

You see, Marty McFly traveled to 2015 in 'Back to the Future 2' and one of the movies playing in a theater is 'Jaws 19.' Remember the 3D shark that scares the you know what out of McFly? This is the trailer for that movie. Brilliant. Here's the clip from 'Back to the Future 2':