The new Fantastic Four trailer has led some fans to wonder how tall the Thing is supposed to be in the Marvel Universe ...

Why is The Leader a less than brilliant mastermind? Why is Red Hulk so much like Green Hulk? We break down these and other WTF questions after seeing Captain America: Brave New World.

And that's why the MCU has, for better or for worse, made villains that always are worthy of matching up with our heroes.