In an official statement released today, Midway have confirmed their plans to release The Grim Adventures of Billy & Mandy for the Nintendo Wii.
They also state the game will support the Gamecube controller.
Here's a snippet from their press release.
Read the full press release here: http://www.midway.com/rxpage/mpr_4626.htmlThe Grim Adventures of Billy & Mandy for the Nintendo Wii is expected to utilize features that are unique to the Wii system. This includes use of the split controls, motion sensing and more. The Wii version is intended to support both the GameCube and Wii controllers. The Grim Adventures of Billy & Mandy on the Nintendo Wii is also expected to include content–specific gameplay features that will be available only on the Wii platform. More details on these features will be released at a later date.