I have some bad news for Pikmin fans and Nintendo lovers planning on picking up the Wii U: Pikmin 3 will feature local multiplayer on the new platform, but not online multiplayer. So, if you had your hopes up, squash that dream.
The reason for the lacking feature is down to technical limitations. Creator Shigeru Miyamoto explains because of all the individual creatures involved in a given game of Pikmin, syncing that up online would mean major lag and framerate loss.
On the bright side, Miyamoto assures the co-op is "really fun".
Pikmin 3 will launch when the Wii U does or near after, late this year.