Iron Man 2 Movie

While not a bad piece I have two main issues with the piece.


First, Your light sources seem muddled.
Example: You have War Machine's chest glow not effecting Iron man's armor, or barely effecting the characters at all.
Your Background light is warmer than your foreground light which flattens the characters.

[link]

If you look at the reference, (given it's from the movie)
Though you have a fairly cool light source, coming from the left, his chest bulb still gives off enough light to effect the chest plate. and the light recedes into a even cooler red pushing his form out.

Warm to Cool is how you do it in more cases. (depending on your light sources... if it's different get reference)

Secondly,
My other issue with this piece is your rendering of the metal. Referring back to the link i posted if you look at how the light reflects on the armor, it's not all soft. I feel like i should be seeing the light effecting the plates of his armor differently, not like you have as a couple of white highlights. You need to choose what your main light source is and stick with it. Then you can have auxiliary sources and then your ambient. Also you should look at how real metal is lit, not how you think it is.

It's a bit too shiny for shiny's sake not to mention out of place considering the background, but all things considered it's not a bad piece and while it could use work I think you can learn from this.