A new film in the franchise Puella Magi Madoka Magica has been announced titled: Walpurgis no Kaiten (Turning the Tide of Walpurgis).
The film is the fourth film in the series and will be a direct sequel to the 2013 film Puella Magi Madoka Magica the Movie: Rebellion. The films continue the story from the 2011 anime series, with the magical girl Akemi Homura trying to change the fate of the titular Madoka Kaname.
You can find the announcement and teaser trailer from the official Twitter below.
『劇場版 魔法少女まどか☆マギカ 〈ワルプルギスの廻天〉』の制作が決定いたしました。
— 魔法少女まどか☆マギカ (@madoka_magica) April 25, 2021
So far a release date for the upcoming fourth film has not been announced.