The comic book stories published by Marvel Comics since the 1940s have featured several noteworthy concepts besides its fictional characters, such as unique places and artifacts. There follows a list of those features.

Places

Certain places feature prominently in the Marvel Universe, some real-life, others fictional and unique to the setting; fictional places may appear in conjunction with, or even within, real-world locales.

Earth

New York City

Many Marvel Comics stories are set in New York City, where the publishing company is based.

Superhero sites

New York is the site of many places important to superheroes:

Companies

New York is a center of industry, serving as the headquarters for a few Marvel companies:

Universities

Regions and countries

Prisons

Other locations

Outer space

Planets

Satellites and planetoids

Space stations

Outer space prisons

The following prisons are located in outer space:

Extradimensional places

Organizations

Government agencies

Criminal organizations

Alien races

Hidden races

The Earth of Marvel's main continuity (or "Earth-616") has contained a number of fictional hidden native humanoid races. Many of these races are genetic offshoots of Homo sapiens or a related ancestor. However, there are also some races that were actually created from the many animals or other lifeforms on Earth. The methods to create these beings vary from scientific to magical and their creators from aliens to humans to demons. A list of these races includes:

Objects

Vehicles

Weapons

Artifacts

Some items have been created specifically for the Marvel Universe and many of them carry immense powers:

Mystical artifacts

Cosmic artifacts

Other artifacts

Substances

Drugs

Elemental substances and minerals

Cosmic forces