Originally Posted by bubbadoom
A year before the Avengers opened Marvel released a beautiful Hulk illustration at Comic Con that was about as Kirby/Hulk as you could get, and yet they changed that design to what we got in the film [which was also very nice, just not as good as it was].
Illustrations and actual CGI renderings are not the same thing.
A perfect example is when the Dark Elves Ark was debuted in an early trailer/teaser. In post, they ended up tweaking it a little bit but the overall look remained the same.