You have to Have all 16 Gym Badges and Mewtwo is in Cerculaen Cave
Mewtwo appears at Cerulean cave.
Mewtwo is in cerulean cave and tough to get
You can find Mewtwo in Cerulean Cave.
Punch balls
it is in cerulean cave
mewtwo
yes you can,in cerulean cave
no.its in cerulean cave.
he is in a cerulean cave i beleive
You can't catch Mewtwo in Pokemon Diamond and pearl and also platinum. But you can catch Mewtwo in heartgold and soul silver
Use yo head.
yes, you can cause i did