Does Nintendo need new IP?

Although E3 was predominantly seen as a battle between Sony and Microsoft, Nintendo still had plenty of work to do in creating some momentum for the Wii U, and maintaining it for the 3DS.
Super Mario 3D World

E3 Wrap Up: Nintendo and the Wii U

Although most eyes were on Sony and Microsoft's new consoles at E3, Nintendo also had a point to make in reminding everyone why they should care about the Wii U.