The first details on Hyrule Warriors DLC have been announced. Alternate costumes for Link and Zelda, which draw on their look in Twilight Princess, will be available for download.
According to Nintendo Life, the Link costume and two others are part of a “Courage” costume pack that will be included in Japan with the game. Zelda’s costume and an additional two are part of a “Wisdom” costume pack that will be available in Japan for those that order the Premium Box set. A third costume pack, titled “Power,” will be available in the full Treasure Box edition and will contain two costumes of some sort.
You can see the Twilight Princess costumes for Link and Zelda below, as shown on the game’s Japanese site: