Try to catch it with a masterball. that's what i did.
how do you catch a mewtwo on Pokemon platinum
There's nothing left for you to do.
You cannot catch Mewtwo in Pokemon Crystal, but you can trade it from a Pokemon Red or Blue. Hope this helped :)
No you can't catch Mewtwo in Pokemon silver, you must trade it from Pokemon yellow.
You can't catch Mewtwo in Pokemon Diamond and pearl and also platinum. But you can catch Mewtwo in heartgold and soul silver
No, Mewtwo cannot be caught in Pokemon Crystal. It can, however, be traded from Pokemon Red, Blue, or Yellow.
Catch 'em all
can only get mewtwo through trade in Pokemon emerald
you cant catch mewtwo in Pokemon platinum peral diamond you can in Pokemon heart gold and solsilver in canalave cave
mewtwo
There is no such Pokemon as "Shadow" mewtwo. There is a regular mewtwo that you can catch like any other Pokemon. It's located in the Cerulean Caves.
The only way to get a Mewtwo in Pokmeon Crystal is to trade with a copy of Red, Blue, or Yellow through the Time Machine in Pokemon Centers.