Also collects Avengers (1963) #400. Mark Waid and Mike Wieringo take the reins of Fantastic Four and deliver some of the most daring and humorous adventures these heroes have ever seen! Giant bugs! Living equations! Johnny Storm, CEO! Exploding unstable molecules! The secret behind the Yancy Street Gang! And witness the antics between the Thing and the Human Torch heat up like never before! Prepare to laugh and cheer at once!.