Amazon UK lists Earthbound Wii U

[Nintendogamer]

animegaming said:

Nintendogamer said:
Not the first time a mistake has happened on there, if it is a mistake.

super luigi U was posted before it was annouced by amazon UK so there is a chance that isn't a mistake 

Amazon UK knows the future it seems or is nintendo dropping hints for amazon to tease fans?  mario kart wii u is listed too.