Double Dragon II - The Revenge for Famicom was released on December 22, 1989 in Japan.
The game's ending was redone in this version. After the player defeats their shadow, they are taken to one final stage where they face a new final boss, referred in the game simply as the 'Mysterious Warrior'. After the player defeats him, the Warrior gives his dying speech and Billy later finds Marian returned to life.
Nintendo Wii [Virtual Console] [JP] (mar.6, 2012) [Model FF5J]
Nintendo Wii U [Virtual Console] [JP] (sept.14, 2016) [Model FC8J]
Nintendo 3DS [Virtual Console] [JP] (may.29, 2013) [Model TC3J]