I sadly believe there's proof we aren't getting a Sora amiibo : r/amiibo

Final Smash Broadcast Reactions – Source Gaming

The Kingdom Hearts Sora Amiibo is HERE! (Unboxing & Gameplay)

Not only will Sora receive an amiibo, I am willing to bet he will receive multiple, due to Nintendo/Disney going all out with his alts, and him being the final fighter like

The Argument For And Against amiibo-Cloning Tool Amiiqo - Talking Point

Aaron on X: You are crazy if you think we aren't getting a Sora amiibo, Nintendo 100000% ensures amiibo rights as a part of the character joining Smash / X

amiibo, ST

Meggy Spletzer, The SMG4/GLITCH Wiki

Discontinued amiibo Figures Could Be Released In Card Form, Says Miyamoto

Super Smash Bros. Ultimate's Final Fighter Is Kingdom Hearts' Sora!

You're in charge of the roster for the next Super Smash Bros. characters from any company/franchise may be used. Who would be added and who would be removed? - Quora

June 2014 – And The Geek Shall (Inherit the Earth)

Lists The Squid Chamber

Animal Crossing: New Leaf : Nintendo of America: Video Games

Splatoon Mii Fighter Outfits Coming to Super Smash Bros. in the Summer

Animal Crossing: New Leaf : Nintendo of America: Video Games