When the Hulk was first written and drawn by Stan Lee and Jack Kirby in 1962, he was a simple grey color. Grey Hulk was the first to manifest after Bruce Banner was hit by the gamma radiation.

The biomechanical nature of Red Hulk 2099 is reminiscent of H.R. Giger’s iconic style (which most fans will recognize in the Xenomorph design from Alien), and traces of Jack Kirby’s style can ...