No! I imagined to be possible to choose 3 pokemon from a smaller roster (5,6,7,8...). Not a Pokemon Trainer with 4 pokemon. For example: From a selection of Squirtle, Totodile, Ivysaur, Bayleaf, Charizard, and Typhlosion, I would choose Squirtle, Bayleaf and Charizard. Also I was thinking to only choose one per type(No Bulbasaur, Bayleaf and Forretress), but thats only optional...
EDIT: Whoa, Olimar, Rosalina, Goey?(Don't care much about Ike...) Man, you know I never played Brawl, so this will be a special joy for me to see how does Olimar go for me...I'm so excited! But bro, this summer? I'm first gonna kill you dettadeus for spoiling this, and then, I will die from waiting more than 2 months...