Wii U - Mario Kart 8 E3 Trailer
Wii U Developer Direct - Mario Kart 8 @E3 2013
Mario Kart 8 Gameplay Demo - IGN Live - E3 2013
Mario Kart 8 - Yoshi Offscreen Gameplay E3 2013
Mario Kart 8 Offscreen Demo - Gamescom 2013
Mario Kart 8 Gameplay - Demo Wii U HD (3 New Tracks/ DK+Bike) E3M13
Cover pic on FB
Official pics