Pretty Guardian Sailor Moon Cosmos is a new two-part film series announced for release in 2023.
The new film series will finish off the final arc in the original manga. Recent years have seen the original manga adapted into multiple two-part film series like last year’s Pretty Guardian Sailor Moon Eternal.
— 劇場版「美少女戦士セーラームーンCosmos」🌙 (@sailor_movie) April 28, 2022
Pretty Guardian Sailor Moon began as a manga in 1991 and ran for 18 volumes over 6 years. Since then, the franchise has become internationally famous and been the subject of multiple movies, games, and other media projects.