We already know that Superman's outfit went through many, many iterations for Man of Steel, but the Kryptonian armor also saw its share of designs. Concept artist Ed Natividad shares some of his Kryptonian armor studies, including Zod's warrior helm.

There is definitely a range of designs here, from medieval-inspired clangers to suits that feel belong to a classic spacefarer. Now we just need to picture Michael Shannon's scowl beneath those helmets.

[Ed Natividad via Comic Book Movie via ScreenCrush]