For those of you unfamiliar with this character, Korvak was yet another nearly omnipotent megalomaniacal Marvel bad guy. He was about 8' or 10' tall and was composed of energy, hence the negative x-ray appearance. 

To create Korvak, I just repainted a 10" Captain Marvel figure. The real challenge was painting shadowed areas in a light color and vice versa.

Here's a pic in case you don't know who he is.