Personally, if a character has been in every game, its a guarantee. That means that on my opinion, Jigglypuff, Ness and Captain Falcon all have high chances. Now I personally think that at least one other brawl only character will be in, Hopefully Meta Knight. As for newcomers, I would like a new WarioWare character, preferably Ashley. That is if Wario even gets confirmed. Meowth would I guess be a good Character and he was considered for Melee and Brawl, but I won't get my hopes up. As for Snake, I would like him in but its Unlikely. Also, I remember a while a go Sakarai posted that Ice Climbers weren't added yet because of the two character control on the 3DS, but Now that Rosalina and Luma were added, what's stopping him on development? Going back to returning characters, Ganondorf I would think will return as All the previous Zelda characters were confirmed (aside from young link). Dr. Mario as a character I do not think will be added, but he has a possibility as a suit. If Wario does return, I hope he brings his Classic suit. Waluigi as a character would not be a good choice for me but others may think so. I feel he'd be a copy of someone. I do not personally want a Sonic character but I won't Judge. As for Game and Watch, Snake and Lucas I feel that Game and Watch only has a chance. I would love Meta Knight back but I hope his move set would be changed. R.O.B. is a Possibility, but I would think not because he hasn't been in a game for a while. Now If you think differently I am sorry these are my personal opinions. Over all: Guaranteed: G&W, C. Falcon, Ice Climbers, Falco, Wario, Meta Knight, Ganondorf, Ness, Jigglypuff. Possibility: Lucas, Wolf, R.O.B. Mewtwo, Roy. Out: Ivysaur, Squirtle, Snake, Pichu, Young Link, Doctor Mario