Toei has updated their official website with a new sub-site for the next Super Hero Taisen film. The latest film will be titled “, Kamen Rider X Super Sentai: Chou Superhero Taisen.” Not much is confirmed about the film, however it will feature the main riders in Kamen Rider Ex-Aid and the Kyurangers. Kamen Rider X Super Sentai: Chou Superhero Taisen will premiere on March 25, 2017. No other details are confirmed at this time so stay tuned for updates.
Source: Toei