I'm hoping to see something about the rumored Starfox-Metroid crossover that was leaked today from Gale Network (They also leaked Donkey Kong Country Returns, Metroid Prime 3, and Playstation All-Stars).
Info Here: Starfox Metroid Wii U E3 2012 Rumor - YouTube
Info Here: Starfox Metroid Wii U E3 2012 Rumor - YouTube