First of all, Mars doesn't exist in any of the Pokemon games, and second, Mewthree doesn't exist at all.
there is no mewthree
There's no Pokemon called mewthree.
You cannot catch Mewthree in Pokémon Yellow. This fake Pokemon is only in hacked game chaosblack.it is inposible to get mewthree in leaf green. you can only get it in Pokemon chaos black.
No. Mewthree is a fake Pokemon,sorry if Pokemon had a mewthree that would be awesome though.
No, Mewthree cannot be caught in Pokemon Pearl, because it never existed in the game. You would have to import Mewthree into the ROM to be able to catch it.
They haven't made a Mewthree yet.
Sorry, mewthree is fake. You're out of luck.
Mewthree doesn't exist.
You can'tNo. It is a fake pokemon.
No, there is no legitimate Action Replay code for Mewthree for Pokemon Diamond.
Mewthree isn't a Pokemon in HeartGold. Most likely it is said to be a rumor for the games.
Mewthree does not exist except as a fan hack, and isn't avalable to catch in any legitimate Pokemon games.