Originally Posted by Venom
Better developed because he was more present in the film. Vanko on the other hand, quite disappeared after the race track scene, until the finale.
in essense you saw where he was from and what motivated him. when stane flew off the deep end I was like 'wtf?! where'd THAT come from? but I see your point about him (vanko) disappearing for almost the entire 2nd act.