Toei has updated their official Twitter page with a teaser for the upcoming Dragon Ball Super film. The teaser features Goku getting ready to fight off a mysterious foe. No other details about the film are confirmed at this time so stay tuned for updates. The Dragon Ball Super film is set to premiere in Japan on Friday, December 14.
— Toei Animation (@ToeiAnimation) March 20, 2018
Source: Toei Animation