Zabuza and Haku could appear in Naruto Shippuden: Ultimate Ninja Storm Generations

As you can see on the Siliconera Site, Generations could be the next title in the Naruto series. Although not confirmed whether this game will be develop by CyberConnect2, is expected to be so, as the company has performed an excellent job with Naruto: Ultimate Ninja Storm and Naruto Shippuden: Ultimate Ninja Storm 2. Rumors about the incursion of Haku and Zabuza in this title, are becoming more frequent.

It has also been speculated that the Raikage, C and Darui will appear in this Naruto Shippuden: Ultimate Ninja Storm Generation.
Coming to PlayStation 3 and Xbox 360 in the not too distant future.