BoxedCookies
Smash Apprentice
I had to replay my last saves of Prime 2 and 3 to if she does appear in full.Yeah, she'll appear, but you don't see her full body, do you? AFAIK, you only see her full body in Brawl and Other M as Zero Suit Samus.

Prime 2 (100% Ending) Zero Suit: http://www.youtube.com/watch?v=ysExKtLvoq0
Prime 3 (100% Ending) Zero Suit: http://www.youtube.com/watch?v=8pQtbFidSf0