He Who Remains is a variant of Kang or a future version of the character in Loki remains to be seen.
The Mandarin has always been one of Iron Man's most threatening and iconic villains in the MCU.
Malekith has a menacing personality and possesses a terrible design with a large chunk of his backstory gone.
Ultron is easily one of the worst villains to touch the MCU and the same can be said about his film.
Karli showed remorse at times for taking things too far and Sam believed he could save her.
Kaecilius, one of the most forgettable villain in the MCU and he's not disappointing because of his poor character.
Ronan serves as the antagonist of Guardians of the Galaxy, though he is oddly pretty forgetful.
Yon-Rogg isn't menacing nor does he serve as a great antagonist for Captain Marvel.
Arthur Harrow originally promised to be a unique villain with genuinely interesting motives.
Taskmaster's character is largely different from her comic counterpart and is used more for a plot twist.