Nintendo will have two presentations in E3 2014:
Wednesday (6 – 7:30 PM PT / 9 – 10:30 PM ET)
It’s dedicated to a new 3DS game, however, there is no word about it yet. So far, it looks like it will be based in the NFC technology.
Tuesday (7 – 8:30 PM PT / 10 – 11:30 PM ET):
Dedicated to the news Super Smash Bros. games, where Masahiro Sakurai, actual director of both games, will be present.