He is inside of the cerulean cave.You have to win the Elite 4 and Get the Ruby and Sapphire
At the end of Cerulean Cave.
Mewtwo? Plus you cannot get Mew in Leafgreen or Firered.
You can't get mew in firered or leafgreen.
There is no Mew in FireRed or LeafGreen.
you can catch it in safari/2% only
There is no Mew 3.
mew and mew two
You can't catch mew on leafgreen you need gameshark codes for that
You cant catch it (Mew) in LeafGreen, you have to use Action Replay to do that or another cheating device to do that.
mew and mew two
No u can't get Mew in leaf green sorry.
No you can not