Ultimate Mortal Kombat 3

Go to the choose your fighter screen,choose a character,and lose two rounds.Wait until the timer runs out.You will then be prompted to enter a code at the screen which will require two controllers.You will need to do it quickly because you only have ten seconds to enter the codes on both controllers.So here's the codes to them:
Classic Sub-Zero: Press Y(8), A, RB(8), B(3), X(5) on controller one, then Y(8), A, RB(8), B(3), X(5) on controller two.
Ermac: Press Y, A(2), RB(3), B(4), X(4) on controller one, then Y(4), A(4), RB(3), B(2), X on controller two.
Milena: Press Y(2), A(2), RB(2), B(6), X(4) on controller one, then Y(2), A(2), RB(2), B(6), X(4) on controller two.