There is no Mew 3.
You can't get mew in firered or leafgreen.
mew and mew two
mew and mew two
Mewtwo? Plus you cannot get Mew in Leafgreen or Firered.
no because there isn't a mew-three just mew and mew-two sorry
You can't catch mew on leafgreen you need gameshark codes for that
Mew two
No.
Mewthree is not a Pokemon. Thus, you cannot find it in Leaf Green or any other Pokemon game.
Mew has to be traded from emerald and ho-oh you have to get from Pokemon colosseum.
Mewtwo, yes, if you have a FireRed or LeafGreen with Mewtwo.
Cheatcodes or luck.