The Wolverine star Rila Fukushima is reportedly replacing Devon Aoki in a major role on Arrow's upcoming third season. The Wrap is reporting that Yukushima will play Tatsu Yamashiro, aka Katana, a blade-wielding martial arts expert who who will serve "as a mentor" to Stephen Amell's Oliver Queen. Aoki had previously been attached to the role, but had to pull out due to scheduling conflicts. Fukushima was last seen in 2013's The Wolverine as assassin Yukio.