2. Superman was originally a bald megalomaniac.
3. The Incredible Hulk was supposed to be grey when the character debuted in 1962.. But one of the most consistent colours in print at the time was green and that is how the Hulk became green.
4. Marvel and DC Comics both claimed the trademark for the term "superhero" back in the 1960's.
5. "The Avengers", grossing over $200 million at the box office, is the biggest superheroes movie of all time.
6. In 2002, there was a little boy who didn't want to wear his hearing aid because superheroes didn't wear them. Marvel Comics in turn created a superhero with a hearing aid called Blue Ear.
7. The very first Green Lantern used power from a green meteor from outer space.
8. Batman and his friends throw tennis balls at Hitler in the issue where Nazi saboteurs visit Gotham City.
9. Captain America punches Hitler on the cover of the very first issue.
10. The Flash, nicknamed the Crimson Comet, first appeared in 1940.