During the airing of the episode 250 anime adapted from work by Masashi Kishimoto has been released a new trailer for Naruto Shippuden: Ultimate Ninja Storm Generations focusing on the history of Haku and Zabuza, the earliest saga of the manga, showing new footage animated by Studio Pierrot and some fighting sequences starring Zabuza vs. Kakashi and Haku vs. Sasuke. You can view below.