The soon-to-be-released film Shark Night 3D has launched a contest {link no longer active} asking fans if they have what it takes to face off against the deadliest predator alive. Enter to win a trip to dive with the Great Whites by “liking” Shark Night 3D on Facebook and then connecting to Twitter or Facebook and sharing out the official contest page. Final contestants will be chosen on September 2, so take the plunge now!