The chitari, an alien race mentioned in the thor movies, have dead pool-esk healing properties, the down side is that the person who is healed by the serum goes insane with trying to create and make sense of a drawing. a carving. to prevent this, Shield alters memory structures in the brain, and create false memory. that said, the idea that coleson is more than human is not un founded. he is revered on the same level as hawkeye and Black Widow. he is capable and willing to lead missions against Super powered individuals, and he becomes the director of shield. can't wait for season 3