you have to believe!
All you can unlock is Backstage Brawls, Arenas, and Different Clothing for Created Superstars.
You dont need to, all the arenas are there at the beginning of the game
no you can't unlock him you can't play with him at all
You have to play threw all of the RTW's
complete rey mysterio's scenario in RTWM to unlock all attires
you have to complet all the stuff on hallfame
Historicalbelts will unlock a couple
It seems it's not possible to unlock Andre the Giant in Smackdown vs Raw 2009. Unfortunately not every game has all of the wrestling characters available.
You have to finish all of the RTWM in SvR 2010
go on super cheats.com
Complete all the accomplishments to unlock Bourne
there isn't one