Fifty years after Jaws turned a generation of beachgoers into shark-fearing land-lubbers, Discovery Channel’s annual Shark Week spectacular is back to stoke America’s favorite obsession—and this time, Godzilla has some serious aquatic competition. Meet “Sharkzilla,” a monstrous 12-foot mako shark lurking in the waters off Long Island, New York, leaving a terrifying trail of sea life carnage in her wake. The oversized apex predator first raised major alarm bells among researchers after mauled marine life began washing ashore along the Empire State's coastline. Take a sneak peek at the beast below, in a preview of the Shark Week episode. The beast left behind a staggering 24-inch bite mark taken out of a humpback whale and a massive 22-inch chunk ripped directly out of a grey seal. Naturally, when a shark starts treating giant humpback whales like casual afternoon snacks, scientists begin searching for extraordinary explanations. Enter marine biologist Dr.…