Yasuke

According to IMDb, a Yasuke was planned, and would have focus on its true story of 16th Century warrior Yasuke: In his quest for redemption and honor, Yasuke, the only known Samurai of African origin, becomes entrenched in a struggle for control of feudal Japan. but was cancelled due to lead actor's Chadwick Boseman's death

Plot
Unknown

Why It Was Cancelled

 * 1) COVID-19 pandemic.
 * 2) Chadwick Boseman passed away in 2020.

Results

 * 1) The film was permanently cancelled.