behind Pallet town but you need the super special awsome key you get from old man on route 433
You Get It By Trading
mew doesn't evolve
Mew can be found in Olivine City where Jasmine is.
ceruleon cave i hate to say it but whoever created this awnser was thinking of the Pokemon games for gameboy/advance. now i will tell anyone were mewtwo and mew are if they send me IC$10000 Pokemon indigo credits. my usename is burrmab
go to room 131915
in one of the johto cities.
you could go to rooms and type in mew in the room name
Go on the PK Locator and search Mew. There should be many rooms.
Mew two is a Pokemon from the series "Pokemon."
It's impossible without cheats and I'm quite sure Pokemon indigo is pirated which basically means it's fake.
On the 1st gym of kanto
Your question has been easily solved! Answer : Through time the makers of it put mew available in rooms.