The Marvel Cinematic Universe begins with the celestials creating the universe and the Eternals.
The Infinity Stones play a significant role in shaping the events of the Marvel Cinematic Universe.
Asgard and Wakanda are two important locations in the Marvel Cinematic Universe.
The Winter Soldier and Black Widow are key characters with complex backgrounds.
Hydra, an infiltrating organization, influences historical events in the Marvel Cinematic Universe.