Board Thread:Questions and Answers/@comment-7972498-20131217224200/@comment-4389326-20131224163300

It's not exactly Melee, but the Brawl-hack Project M 3.0 has Mewtwo as a playable character if Wifi is your only option for playing against human-controlled characters. Of course, if you don't have Brawl, then ignore everything I've said.