in the cerulian cave.
to get there go south in cerulian city, cross the bridge, go left and go into the grass, surf down untill you see a cave.
if there is a guy standing in front of it, finish the game first
Yes, Mewtwo, Latios and Latias will be in HeartGold and SoulSilver.
mewtwo
You can find Mewtwo in cerulean cave when you go to the Kanto region.
First you have to beat all of the Kanto gyms. After that you go to the Cerulean Cave. At the end of the cave you find Mewtwo.
Yes in the Cerulean Cave.
after you get mewtwo you just carry on with your journey its not a Pokemon necessary to advance in the storyAnswer: You can do whatever you want.
Cerulean Cave. Bottom foor. Next to stairs. Level 70.
It depends on what type of Pokemon you would like to obtain in Pokemon SoulSilver. If you can find the tower in which HoHo is, it will be on lvl 70 and MewTwo is on lvl 70 as well. or just train the Pokemon
it is in cerulean cave at level 70
you find it in the cerulean cave behind cerulean city after you beat all the Kanto gym leaders
Cerulean cave
nothing. it just adds it to your pokedex.