Assuming you own the original disc and dump your own ISO, you will need:
The WWE video game franchise underwent a massive shift in 2011. Here is what happened to the PS2 versions: Wwe Smackdown Vs Raw 2012 Ps2 Iso Download-
Updated textures for WrestleMania XXVIII, Raw Supershow, and the 2012 Royal Rumble. Assuming you own the original disc and dump