IntelliHeath
As in "Heathcliff"
Basically we might get 5 more characters.
Mewtwo
Lucas
Roy (rumor)
Ryu (rumor)
????
????
https://sourcegaming.wordpress.com/2015/04/18/all-about-ryu-and-roys-files/
Edited: Also
Mewtwo
Lucas
Roy (rumor)
Ryu (rumor)
????
????
https://sourcegaming.wordpress.com/2015/04/18/all-about-ryu-and-roys-files/
Edited: Also
There’s additional stages incoming (up to 7). One of which is possibly a Kirby stage due to the number of new Kirby songs that were included. Possibly Dreamland from Super Smash 64.