Universal Studios Japan will be building a Nintendo themed area. According to an article ReggaeInMyJeggae sent me:
When Nintendo announced it was granting Universal Studios the rights to some of its properties for theme park rides, it was anyone's guess where they'd show up first. Now we know that they'll debut in the gaming juggernaut's back yard: Japan. Regional news outlet Sankei (Japanese) reports that the attraction is scheduled for completion by 2020, the year Tokyo is slated to host the Olympics.