Miyamoto confirms Zelda HD in the works.

[IamAwsome]

Mr Khan said:
So if it took them 3.5 years to make GC level Zelda, 5 years to make Wii level Zelda, we should see this game by 2020 :P

You must have forgotten,that same team released 2 Zelda DS spinoffs between Twilight Princess and Skyward Sword.