"In collaboration with several artists, including Jack Kirby and Steve Ditko, he co-created fictional characters including Spider-Man, the Hulk, Doctor Strange, the Fantastic Four, Daredevil, Black Panther, the X-Men, and, with the addition of co-writer Larry Lieber, the characters Ant-Man, Iron Man and Thor. In addition, he challenged the comics industry's censorship organization, the Comics Code Authority, indirectly leading to it updating its policies. Lee subsequently led the expansion of Marvel Comics from a small division of a publishing house to a large multimedia corporation. "