User blog comment:AlexSmasher/Mewtwo just proved something/@comment-16886892-20141024230821

So it's a "pack," right? So 3 more players (1 veteran and 2 new ones, perhaps Bandana Dee and Ridley (I doubt he's happening, though)), 4 stages (2 new, 2 old--maybe N64 stages?) and maybe a new mode. That's my prediction, take it or leave it.