you have to save your masterball no matter what and use it on mewtwo in order to catch it faster. otherwise, you are going to spend hours trying to catch it without any luck.
You can find Mewtwo in the Cerulean Cave.
no, firered or leafgreen
You can get Mewtwo in the Cerulean Cave.
Mewtwo, yes, if you have a FireRed or LeafGreen with Mewtwo.
mewtwo is in cerulean cave
There is no Mewthirty, there is only Mewtwo.
No migrate him from firered or leafgreen to get him.
Mewtwo doesn't learn Psybeam.
you cant catch mewtwo in Pokemon emerald. to get it you must trade with either Pokemon firered or leafgreen.
you can't.:( but you can trade it from firered or leafgreen but to do that you have to get the national dex by catching 60 pokemon and getting all the items the aide has for you.if you own firered or leafgreen just go to google andtype in how to get MEWTWO. hope this helps:)
articuno zapatos moltres and mewtwo
no but you can in emerald after catching 202 Pokemon