iF: There are four villains this time, Venom, Sandman, and Green Goblin and when is the fourth going to be revealed?
ARAD: Right we have four villains. Pretty soon [we'll reveal the fourth villain] I believe. Maybe around Comic Con we’ll reveal something and the madness will begin.
The full interview is available at the link above. The third installment hits theaters on May 4, 2007.