If you look at a comic book character that's what it looks like a comic book. If you look at the picture posted by Manofchalk it looks more real but still it's not. If you look at the movis that was just out you have a real person playing THOR and there is only so much you can do with a real person.
So it has to be a combination of the real and the not real, but not comic book. The picture that I posted is good but the resolution is a bit fuzzy, the picture above my post is very clear , so I guess it's a matter of finding something like that but only Thor.