The Avengers Supervillain is Loki, a character from Norse mythology who appears in Marvel Comics. He is the adoptive brother of Thor and the son of Laufey, the ruler of the Frost Giants of Jotunheim. Loki is a master of illusion and manipulation, and is known for his mischievous and villainous acts. He is a powerful sorcerer and has the ability to shape-shift and control minds. He is also a formidable warrior and has been a major antagonist in the Marvel Cinematic Universe.