In the Marvel superhero film 'Black Panther,' Lupita Nyong'o plays the role of Nakia, a skilled spy and member of the Dora Milaje, the all-female special forces of Wakanda. The movie explores the fictional African nation of Wakanda, which is technologically advanced and rich in vibranium, a powerful resource. Nyong'o's character is instrumental in helping T'Challa, the Black Panther, protect Wakanda from external threats. 'Black Panther' became a cultural phenomenon, breaking box office records and receiving critical acclaim for its representation and storytelling.