Iron shogun

Iron shogun was once a normal samurai during the medieval era of Japan until during a battle alongside the army he was part of he ended up being stabbed and dying but his body was preserved perfectly with in ice until the modern day where a japanese tech company found his body and placed his brain into a new military grade battle android but due to him being uploaded into the machine aswell as the cause of his death he lost all memories on who he was only remembering the battle and his death now he fights as a superhero alongside other heroes in a group known as the Legion of Heroes.