In todays Nintendo Direct Iwata officially announced what fans of the Zelda franchise have been asking for since the release of Ocarina of Time for the 3DS.
Majora's Mask for the 3DS is going to be given the full textural upgrade treatment that Ocarina of Time was given. Some notable changes is the updated, and even scarier moon, and better light effects. Iwata said that while they tried to make sure that the remake was faithful to the original.
No news has been included if Majora's Mask for the 3DS will release with any additional content. The Legend of Zelda: Majora's Mask 3D will be coming to Nintendo 3DS and 2DS in Spring 2015.
You can watch the full Nintendo Direct for the 5th of November here.