You cannot get one.
You can't find Mew in the wild. You can only get it from special giveaways.
To get a Mew in Pokemon Heartgold, you could do it through a Nintendo Wi-Fi event.
after you get all 18 badges and defeat the Pokemon league go to cerulian cav and mew two will be there
Yes you can if you have Mew in your Pokemon SoulSilver/HeartGold You can put Mew in the Pokewalker.
yes
An event
yes
Mew
mew
U can't in heart gold but u can catch mewtwo
sorry,you cant.i heard its in a event,but i dont wanna be sure.
You cannot find Mew in HeartGold or SoulSilver. The only way to get Mew is to trade it from another game, or to use PalPark.