Loki: The character played by Tom Hiddelston was the first villain the Avengers encountered
Thanos: Played by Josh Brolin, and he was a man with a plan to wipe out part of Earth's population
Killmonger: Played by Michael B. Jordan, and intends to fix the imbalance among the world's different people
Vulture: Michael Keaton played this erstwhile businessman who decides to take on Spider-Man
Mysterio: Played by Jake Gyllenhaal in the Spider-Man film Far From Home the character was once a scientist
Alexander Pierce: The character is a HYDRA loyalist who works with SHIELD
Kaecilius: Villain of Doctor Strange (2016) proved to be the old staple of the disciple who broke away from the community