Answer: ORIGINSTORIES

"Origin stories" refer to the narrative or plot lines that explain the background and origins of characters in various fictional works, such as comics, books, or films. In the context of early Marvel films, it specifically relates to the stories that depict how the superheroes or characters gained their powers, abilities, or unique identities.

Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: Many superheroes have them. Explanations are generated by AI and may be inaccurate.