Ever wonder what Iron Man and War Machine look like before they get the computer graphics treatment? Well, the image above shows that Robert Downey Jr. and Don Cheadle wear solid-colored clothing with black & white strips of paper attached for easy chroma keying later on. Click here to view the first image in this week’s art of trolling and superheroes gallery. Continue reading for a video of cheetahs filmed with an ultra high-speed camera.