You may have heard that Captain America: Civil War is coming out soon! We certainly have, and are pretty excited to finally see a movie that pits two of its universe's most iconic heroes against each other in an all-out brawl. Well, uh, at least, one that's been built to over the course of 8 years of connected universe storytelling and character-building.

But even before the actual movie, the basic characters of Captain America and Iron Man were perfectly designed to be at odds with one another...

Why Captain America and Iron Man Are Perfect Opposites