Co-producer, co-writer, director, and editor Kurosawa loves himself some Macbeth. Throne of Blood is Macbeth in feudal Japan, with Mifune Toshiro and Yamada Isuzu as the doomed couple. Kurosawa and his co-writers structure the film as a historical war epic, with modern-day bookends, and then fit Mifune and Yamada’s Macbeth into the war epic. But…