Officially announced, and I must say... looks freaking badass. I love the 2D side scrolling action!!!
http://media6.xboxyde.com/dl/3144b0e814d65fdeaaab407d30b00640/44c0408e/cc_trailer.avi
^ Video of gameplay
http://media6.xboxyde.com/dl/3144b0e814d65fdeaaab407d30b00640/44c0408e/cc_trailer.avi
^ Video of gameplay