Analysis of information sources in references of the Wikipedia article "Grantray-Lawrence Animation" in English language version.
In 1966, television production company Grantray-Lawrence produced a series of five half-hour semi-animated shows under the banner title Marvel Superheroes. Captain America (original comics appearance in 1941), The Incredible Hulk (1962), Iron Man (1963), The Mighty Thor, and Sub-Mariner (1939) all made their television debuts.