A recent job posting on Gamasutra confirms Backbone Entertainment will be supporting Nintendo Wii.
The developers, responsible for Death Jr, recently posted a job advertisement stating the following:-
“Backbone Entertainment is a part of Foundation 9 Entertainment, the largest independent game developer in North America. We are producing high profile titles such as Sonic Rivals for the Sony PSP and are embracing leading edge technologies including the Xbox 360 and Nintendo Wii.â€
More on the Wiis continuing third party support as it develops.