Now that's funny, and actually a bit cool.
The preview began inside the cockpit of one of the fated aircraft destined for the World Trade Center on September 11, 2001. After patting themselves on the back for a job well done, two terrorists get into a heated debate regarding the exact number of virgins promised to them in the after life. At which point they call up Osama bin Laden, who kindly informs them that it will be "20.
That's about as unfunny as I can think of on short notice. That makes me want to kill him, not laugh at him.
