Here is a bit of Transformers 2 news for ya (remember the disclaimer that comes with all Transformers 2 posts). In his typical half serious fashion, he said,

“I play a college professor,” he told MTV before jokingly adding, “that turns into a robot, and turns into a car.”

Knowing that the role that Jonah Hill turned down was of Sam Witwicky's (Shia LaBeouf college roommate, it would be believable for Rainn Wilson to be playing a college professor. If nothing else, it confirms that there will be ample humor in this film, just as there was in the first.