marvel crisis protocol luke cage and iron fistJailed for a crime he didnt commit, Harlem born Carl Lucas agreed to undergo an experimental treatment designed to replicate the effects of the Super Soldier serum that produced Captain America. As a result of the treatment, Carls skin became unbreakable, and his strength was amplified to superhuman levels. Now bulletproof and able to punch through four inch thick steel, Carl took on the name Luke Cage and became a hero dedicated to keeping his