Burger King is adding fuel to the fast-food fire with a hot new summer menu item. Its new Loaded Jalapeño Whopper promises plenty of heat, but some burger lovers say the chain’s latest creation is little more than a spicy copy of a Wendy’s sandwich. Earlier this week, Burger King announced three seasonal food additions, including the Jalapeño Whopper, a limited-time sandwich topped with American cheese, crispy jalapeños, pickled jalapeños and a creamy jalapeño sauce. “As the weather heats up,