According to the Italian division of GameStop, the next game in The Legend of Zelda for Wii U will be released in spring of 2015. This information can be seen in a photograph taken at one of their stores, where one can see boxes of title preorder it.
Currently, it is unknown where he got the chain of video games such information, as far Nintendo has not revealed any specific release date for the highly anticipated game, only that it will arrive in 2015; because the company has not shown much of it is implausible to come out in the spring.
More likely is that new information such delivery is made known to E3 2015 in early June. Meanwhile, fans, following the tradition of delays in the saga, believe unlikely that the title comes out this year, especially considering the extension will be the same and open world.