Extremis thug's class?
During the extremis arc of ironman, the guy he had to fight took in a full shot of the extremis. As a result. he was able to withstand everything ironman had (hits, repulsors, explosives) without any damage to himself. However, whenever he hit ironman he would bend and break his metal. A simple kick to ironman's leg twisted the metal all out of proportion. Was this guy class 100?