First, the reading states that Hogan's Alley was the first successful comic strip published in 1890s in America. In contrast, the lecture says that the first popular comics was published in Europe in the 1790s, and that the author of Hogan's Alley, Joseph Pulitzer was Hungarian instead of American.
Also, the reading states that the first popular comic book was "Action Comics", an American comic that featured the Superman, the world's first superhero. On the other hand, the lecture says that the first superhero was Tin Tin, a Belgium comic book published 16 years before the "Action Comics", and this