Included with the latest system update

November release only for Xbox One, PS4, and PC

Wii U

Long wait till the 2015 release

Sources tell us that it will be announced at E3

Has to be the impact of Mario Kart 8 release

Will be supported by Super Smash Bros on Wii U

Developers Nintendo-off

Development of this version is proceeding

Likely a Fall 2014 release suggest sources

Will not say which platform it being developed for