Fantastic Four's Reed Richards is known for his stretching powers, but did you know there's a mutant who dials them up to 11?

Reed Richards doesn't show off his superpowers in the teaser but we get a glimpse of his incredible genius. Much of what's on his blackboard is hard to decipher; look closely, though, and you'll ...

But, for whatever reason, we never saw Reed Richards utilizing his stretchy abilities. Mr. Fantastic's ability to bend, stretch, and expand every part of his body has never been the easiest to ...