Marvel Comics has released throughout the week a series of characteristically cryptic teaser images that the publisher says contain clues as to some kind of story, event or other narrative circumstance to emerge after the conclusion of Fear Itself and occur sometime in December. Designed by Marvel Art Director Rich Ginter, the images use only words and color to suggest the form of recognizable heroes like Iron Fist, the Silver Surfer, Red She-Hulk, Doctor Strange and the Hulk. but within those meticulously arranged letters are secret messages.

Source: Comics Alliance