The first poster was revealed on October 5, 2017, and the trailers were released later on December 1, 2017. Takashi Okazaki, the creator of Afro Samurai, is the character designer for the film. The film was released in the United States in digital format on April 24, 2018; it was released in physical formats on May 8 and was released theatrically in Japan on June 15.