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? "THINK TANK" Our special two-part saga continues as the fledgling F.F. find themselves helpless in a Baxter Building gone mad! Has young Reed Richards, the world's smartest man, finally met his match? It’s the first appearance of the Ultimate Inhumans! From a hidden race, she came to steal the heart of the FF’s youngest member: the beautiful elemental called Crystal! Reprints the following issues: Ultimate Fantastic Four Annual 01, Ultimate Fantastic Four #19 and 20 — Description from Comic Vine community (comicvine.gamespot.com).
