You don't have to "unlock" it per say. You can get it out of a Poke Ball randomly at any time.
Mewtwo was not included in Super Smash Bros Brawl, so you can't unlock or play as him in the game.
Mew is not a playable character in any Super Smash Bros. video game. Mew has only been featured as a Poke Ball character.
yes but you have to hack the game so i would not do that
Yes you can. You can find the mew trophy in coin launcher you can get it in super smash bros brawl and super smash bros melee but mostly super smash bros brawl.
mewtwo is not in super smash bros. brawl however mew is a trophy character
Mewtwo is not a character in Brawl
no
Simple, you can't.
Mew is a Pokeball released Pokemon, and not a playable character.
You don't cause you cant
Mewtwo isn't in super smash bros 64.
No, mew is not a playable character in melee