just beat all the gym leaders...
yes
You go to Mt. silver and battle Red.
Same as every Pokemon game. Defeat the Gym Leaders to get the Badges.
Battle all the Gym leaders and get another 8 badges. Once you have 16 badges, you should try battling Red at Mt. Silver
You'll need all 16 Gym Badges then you can go to Mt. Silver.
Red goes to Mt. Silver after you have all 16 badges
get all 16 badges then talk to Prof. Oak
found in Crulean Cave after obtaining all 16 badges.
You have to Have all 16 Gym Badges and Mewtwo is in Cerculaen Cave
there is 16 badges... 8 in kanto and 8 in johto
16 badges
On Mt. Silver but first you need all 16 badges and victory on the Pokemon League