You have to trade from diamond,pearl or platium :) thats what it says in the guide book.
You can never get Mew without hacking or getting it from a hacking friend. Besides, its Mew and Mew2 O_O
only after you've received the national pokedex and have got a poochyena.
mew2 is the rarest
from a gba game.
Have it traded to you from a Firered/Leafgreen.
palpark mountain parts
get the ruby and the Sapphire gems from 4and 6 islands . the go to ceroolien cave.you can find mew2 in there.
well just beat them 12 times then go to the cave where mew2 is but then at the place where mew2 is mew is there by blake.omostyle
get every Pokemon in the game then go to mystery cave and catch it
Pokemon The First Movie Mew2 Strikes back
after you beat red it will be open and u can get mew2 good luck you will need it (and escape ropes)
U have to have a ancient kanto artifact open it and it has to be mews dna then go to the labatoy by the normal area and us it and mew2 will appear