Nintendo announced Mario Kart 8 will be coming to Nintendo Wii U in Spring 2014, it was revealed at today’s E3 Nintendo Direct. The new Mario Kart 8 will follow from Mario Kart 7. The new game will enable players to race underwater. Fly through the sky and defy the laws of gravity with racers clinging and hanging from walls. A few tracks were shown, including the Luigi Mansion Track and a new track set around Peach’s Castle.