You can not unless you hack. There is only one in Emerald. (faraway island)
You had to get it at a special event of some sort. Otherwise, you can't catch it in the game at all, but you don't need it to complete the pokedex.
No, you cannot.
You cant catch it (Mew) in LeafGreen, you have to use Action Replay to do that or another cheating device to do that.
You have to upload it from FireRed, LeafGreen, Ruby, Sapphire, or Emerald.
No, mew can't be caught in leafgreen It can only be caught in emerald after going to an event
No you can't you would have to have someone trade it for you or catch it on redfire/ leafgreen in celestic cave after finishing the league. hope it helps:)
You can't get mew in firered or leafgreen.
You can't catch mew on leafgreen you need gameshark codes for that
you can catch it in safari/2% only
No, you cannot.
search it on youtube
Use Action Replay
No you cant get Mew on leaf green, but you can get Mewtwo in Cerulean Cave.
The only way to get Mew is to go to the Old Sea Chart event, or by hacking the game.
No you caan only send it from firered or leafgreen
mew and mew two
You can't catch it at Pokemon Pearl, you'll have to Transfer it from LeafGreen/FireRed or trade it with SoulSilver/HeartGold
You cant catch it (Mew) in LeafGreen, you have to use Action Replay to do that or another cheating device to do that.