Here is one of Marvel's most menacing villains, Victor Von Doom, aka Doctor Doom. I didn't have enough bad guys from the Marvel universe, so I looked a couple up and thought this guy would be fun. I made his outfit and cloak two different colors so they would stand out better. He has an alternate head without the hood on it.
Cool. The head should be a mask. That should give you a bit more options. Look at some of the animated stuff. Grate for a mouth, sharp angle nose and eye areas. The rest of Doom looks great. Colors look cool and the lil upgrades to his arms look neat. ~cheers