Janitor Sam Sterns found himself exposed to Gamma radiation while working in a lab where Bruce Banner was performing experiments. Transformed into a superhuman genius, Sterns took the name of the LEADER and uses his enhanced intellect to come up with increasingly devious plots against the world�s heroes as he sets out to accomplish his one, true goal� complete and utter domination of the world!

Like his physically imposing enemy the Hulk, the Leader has green skin, and unlike the Jade Giant has a small body and a large, elongated head