Blackadder
Smash Master
Obviously unlockable.Ya,I doubt that Sonic will be shown.Heck,maybe they'll have him in the game but unlockable. I wouldn't mind seeing a shilloutte in a trailer though.SOMETHING TO LET US KNOW HE'S OK AND IN THE GAME!!
But I think you should just check the back of the game.
"SEGA" will be there somewere.