by catching it
mewtwo is in cerulean cave. the cave in in cerulean city, where misty's gym is. mewtwo in hard to catch, though.
You can find Mewtwo in the back of Cerulean Cave.
no mewtwo is in cerulean cave and articuno is in seafoam island
No, Mewtwo is
Mewtwo
MEWTWO
You can find Mewtwo in the Cerulean Cave.
mewtwo is in kanto it is in cerulean cave
you can catch mewtwo in cerulean cave in cerulean city but first you have to beat the elite four
In Ceurelean City Cave there is Mewtwo.
Cerulean Cave, outside Cerulean City
get mewtwo