1. Rodin (Bayonetta) - As promo for Bayo 3
2. Sora (Kingdom Hearts) - Been requested since Smash 4
3. Dante (Devil May Cry) - Not as likely as the others but would be cool.
4. Jak (Jak and Daxter) - As a collab with Sony since they already have a MS character
5. Travis Touchdown (No More Heroes) - As promo for the new game
6. 2B (Nier) - Not as likely as the others but would be cool.