How do you unlock Vince McMahon on Smackdown vs Raw 2011?

To unlock Vince McMahon you have to win the WrestleMania Challenge against Vince McMahon, Sheamus, and Drew McIntyre in John Cena's RTWM after completing all previous challenge matches.

Week 4 (Backstage Brawl): Confront Sheamus in the middle locker room.

Week 5 (Tag Match on SD): Fight Truth & Consequences (talk to MVP to set this up).

Week 7 (Tag Match on SD): Truth & Consequences for the titles (unlocks civilian MVP).

Week 8 (Backstage Brawl): Legacy (unlocks civilian Cena and entrance).

Week 11 (Tag Team): Santino vs. Legacy

WrestleMania (Singles Match): Vince in the Green Room