http://nintendoenthusiast.com/article/minecraft-wii-u/
"We have now got word from a retailer source that this serious misdeed will soon be rectified. Minecraft will be coming to Wii U. Nintendo has made an effort to pursue such a release and their efforts have paid off. According to our source, Mojang is currently in possession of Wii U dev kits. Although the game is simultaneously in development for Xbox One and PS4, Mojang is said to be focusing on the GamePad for the Wii U version. The projected release for all three systems is summer 2014."
Here are their previous rumors, they have a great track record
http://nintendoenthusiast.com/article/rumor-accountability-report/
"We have now got word from a retailer source that this serious misdeed will soon be rectified. Minecraft will be coming to Wii U. Nintendo has made an effort to pursue such a release and their efforts have paid off. According to our source, Mojang is currently in possession of Wii U dev kits. Although the game is simultaneously in development for Xbox One and PS4, Mojang is said to be focusing on the GamePad for the Wii U version. The projected release for all three systems is summer 2014."
Here are their previous rumors, they have a great track record
http://nintendoenthusiast.com/article/rumor-accountability-report/