Dragon Ball Z: Extreme Butoden is headed Westward. The 2D fighting game has been rated by the Australian Classification Board, with Bandai Namco listed as publisher.
Dragon Ball Z: Extreme Butoden is a fighter developed in collaboration with Arc System Works. The game features some very impressive looking sprite work and was recently released in Japan. You can learn how it plays here.
Bandai Namco have not yet officially announced a Western release date for Dragon Ball Z: Extreme Butoden.