However, it also contains many other fictional elements: countries such as Wakanda and Latveria (very small nations), and organizations like the espionage agency S.H.I.E.L.D. and its enemy, and fantasy concepts, with writers adding more continuously.
However, it also contains many other fictional elements: countries such as Wakanda and Latveria (very small nations), and organizations like the espionage agency S.H.I.E.L.D. and its enemy, HYDRA. Most importantly, the Marvel Universe also incorporates examples of almost all major science fiction and fantasy concepts, with writers adding more continuously.