Ant Man greyscale

Nice, For a first attempt this is rather brilliant. You have clean lines and a honest grasp on shading. I think the third Version/Scan(?) is the best, but that may just be me. I tend to favor cool gray over warm.

At first glance the proportions look fine, but you are right with them being more then a little off. That's an easy to over come, just flip through some anatomy books and learning canon measurements. Like how most comic book heroes are drawn with a 8 head height