During the September 14th Nintendo Direct, Nintendo announced the Amiibo figure for Sora will be available next year. The figure depicts Sora in his Kingdom Hearts 1 attire from the same render used in Super Smash Bros. Ultimate. The figure is currently available for pre-order from the Nintendo Store Japan for ¥2,200 (approx. $14.92 USD)
You can check out the Amiibo figure in the gallery below.