Name of a late 70's and early 80's movie about a samurai found in ice
Hi I am trying to find the title of a movie I watched on Video with my mates around 1980. It was about a samurai warrior who is wounded in battle and falls into a body of water and freezes. Then is discovered in modern times and somehow comes back to life and escapes from the lab into modern America(possibly Japan). He runs scared trying to make sense of the modern world until eventually being killed and falling into water as I remember. Any ideas anyone?