Note: This disambiguation page is meant to be credited for ambiguous locations in this world region that are purposely not possible to locate in the real world and have no specific name as opposed to locations that can be vague in an issue but are definitively identifiable either through supplementary material or direct inference.

An early recurring storyline in The Avengers including Black Widow and The Red Guardian is constantly only specified to be in Asia. Although the sponsor of the secret base is the People's Republic and Soviet representatives pay a visit, it's not apparent where specifically the base is (especially when fictional Marvel countries are factored in).