The Avengers is a 2012 superhero film directed by Joss Whedon. Scarlett Johansson portrays Natasha Romanoff, also known as Black Widow, a highly skilled spy and member of the superhero team. The film follows the Avengers as they come together to stop Loki, the villainous brother of Thor, from taking over the world. With its action-packed sequences and witty dialogue, The Avengers became a box office success and solidified Johansson's role as a key member of the Marvel Cinematic Universe.