Superbad courtesy Columbia Pictures Superbad courtesy Columbia Pictures
Superbad handily topped the weekend box office with a $31.2 million haul, and bested producer Judd Apatow's previous feature,

Knocked Up, by a half mil. Rounding out the top five were Rush Hour 3 ($21.8 million), The Bourne Ultimatum ($19 mil), The Simpsons Movie ($6.7 mil) and The Invasion (opening with $6 mil). Overall, the weekend was up 21 percent from a year ago, when Snakes on a Plane was No. 1 with a measssssly $15 mil.