Update - 16 November 2015 - PEGI has quietly removed its listing for the unannounced Minecraft: Wii U Edition.
The game is still expected but the launch has been delayed.
From the official PEGI webpage - here
Minecraft: WiiU EditionMicrosoft studios
The content of this game is suitable for persons aged 7 years and over only.
It contains: Non realistic looking violence towards fantasy characters - Pictures or sounds likely to be scary to young children - Non realistic looking violence towards characters which although human are not very detailed -
System: Nintendo Wii U
Release date: 2015-11-12 (today)