It might be safe to go in the water now. Monday marks the 40th anniversary of the release of Jaws, director Steven Spielberg’s tale of a great white shark terrorizing a picturesque seaside town. It’s a bona fide classic, deserving of all the praise it gets. But it’s also something of a relic, a throwback to a simpler time in moviemaking when we were less cynical and more easily frightened. For all the monster movie remakes being trotted out this decade, it’s actually not surprising we haven’t seen Jaws sequel since 1987’s Jaws: The Revenge (and not just because that...