Ghirahim, Bowser Jr./Waluigi, N/Victini/Zoroark/Genesect/Gen VI Rep, Shulk, Ridley, K Rool
And a maximum of four more I'd say, Little Mac could easily be among them. And I'm a little doubtful of K Rool and Ridley getting in, but it's quite possible, imo.
Also, I'd like to see stages from games besides the ones playable characters represent. In Brawl, we only had Hananbow, Pictochat, and maybe another one that I'm forgetting about. Final Destination and Battlefield don't count since they're from Smash Bros itself.