As reported by Anime News Network, Shueisha's Weekly Shonen Jump magazine's 42nd issue of the year on Saturday revealed that theatregoers in Japan who go and see the Demon Slayer The Movie: Mugen Train (Kimetsu no Yaiba: Mugen Ressha-Hen) film will receive a "Rengoku Volume 0" manga volume. The manga volumes are limited to 4.5 million copies. The original manga creator Koyoharu Gotouge is drawing the manga, which will tell the story of Rengoku's first mission.
The film premieres in Japan on October 16, 2020. Returning for the film are the main staff members of the previous TV anime. The main Japanese and English casts of the series will reprise their roles in the movie. The film will be distributed in Japan by TOHO and Aniplex. Funimation and Aniplex of America are partnering up together to distribute it in North America in 2021.
The TV anime series ran for 26-episodes from April 6, 2019, to September 28, 2019.