Disney has announced that a Big Hero 6 world is to be added to Kingdom Hearts 3 during their D23 Expo event in California today.
The company's Ray Conli confirmed that the game's world will be set after the events of the movie and Baymax will appear. Below you can see a picture taken by the Disney Interactive Twitter account showing art for the Big Hero 6 world.
Big Hero 6 will be joining Tangled in the game.
