Nintendo have uploaded a video title “Super Mario Odyssey- Developer Diary Which gives a look into the customization of costumes in game and controller options. It also stated that all current amiibo will work with Super Mario Odyssey. How they will function with the game has not been confirmed but wouldn’t it be nice if they game Mario themed costumes. Anyway, you can check out the Dev Diary video below.
[Video] Super Mario Odyssey- Developer Diary Looks Into Customization & Confirms Functionality With All Current Amiibo