Major Cities:
* New York City: The most prominent city in Marvel, home to many heroes and villains.
* Manhattan: Home to Avengers Tower, the Baxter Building, and various other superhero headquarters.
* Queens: Where Spider-Man lives and operates.
* Brooklyn: The home of Daredevil.
* Los Angeles: Home to the Hollywood Hills, where many superheroes live.
* Chicago: A significant city in Marvel, sometimes used as a base for villains like the Leader.
* San Francisco: Home to the X-Men's headquarters, the X-Mansion.
* Las Vegas: A frequent location for superhero events, often showcasing a more fantastical side.
* London: A significant location, often used for international conflicts and adventures.
Other Notable Cities:
* Madripoor: A fictional island nation in the South China Sea, known for its criminal underworld and secret societies.
* Atlantis: The underwater kingdom of Namor.
* Wakanda: The isolated African nation ruled by the Black Panther.
* Asgard: The home of Thor and the Norse gods.
* Genosha: A small island nation that was used as a refuge for mutants before it was destroyed by Magneto.
Note: Many Marvel stories take place in real-world cities. The comic book versions are often given a heightened sense of reality or are used for specific plot devices.