Beginning with Iron Man in 2008, in just 10 years the Marvel Cinematic has established an impressive amount of characters & stories existing within its world. From the great, like Captain America: The Winter Soldier & Netflix's Daredevil series, to the not-so-good properties like Iron Fist & *shudders* Inhumans, to the criminally underrated (Agents of SHIELD)- an astounding amount of worldbuilding has been done, which has for the most part paid off in spades.
Featuring Iron Man, The Incredible Hulk, Iron Man 2, Thor, Captain America: The First Avenger, The Avengers, Iron Man 3, Thor: The Dark World, Captain America: The Winter Soldier, Guardians of the Galaxy, Avengers: Age of Ultron, Ant-Man, Captain America: Civil War, Doctor Strange, Guardians of the Galaxy: Vol. 2, Spider-Man: Homecoming, Thor: Ragnarok, Black Panther, Avengers: Infinity War, Agents of SHIELD, Agent Carter, Daredevil, Jessica Jones, Luke Cage, Iron Fist, The Defenders, The Punisher, Runaways, Inhumans, & upcoming