There's never been any serious indication that he would ever come to the title, of course, but Square Enix's continued collaboration with Super Smash Bros.
As for the mod, the Sora model looks pretty good in action and uses the moveset of Shulk, an already existing Super Smash Bros.You can check out all of our previous coverage of Super Smash Bros!
Are there any other Kingdom Hearts characters you would like to see modded into the popular fighting video game