According to MyNintendoNews.com.
However, there are people saying it shares similairities with project off-set, a canned game from 2009. Here are a few more pictures of the supposed new Nintendo IP:
And here's the video which people are refering to (the one from project offset):
[youtube]http://www.youtube.com/watch?v=RcYJIhdszyA[/youtube]
Now, it's not unlikely something like this could happen, however why would Nintendo want this? I don't think this is true, but I'll leave it up to you to judge, it's a rumour after all. Your thoughts?