THINK TANK PART 1 The Fantastic Four face their most devious foe yet! When the Baxter Building has been turned into a veritable death trap, will Reed’s IQ be enough to save the day?

A classic Fantastic Four villain makes the debut here in Ultimate form, turning the Baxter Building into a virtual trap set to capture and eliminate the fledgling adventurers.

And what of the other denizens of the skyscraper, including Johnny and Sue's father Dr. Storm?

And who has the power to outthink even the most brilliant man alive, Reed Richards?

Wait and see!