In the Marvel superhero film 'Black Panther,' Lupita Nyong'o plays the role of Nakia, a skilled spy and love interest of the titular character. Directed by Ryan Coogler, the film follows T'Challa, the newly crowned king of Wakanda, as he navigates the challenges of ruling his technologically advanced nation. Nyong'o's character is a strong and independent woman who fights alongside T'Challa to protect Wakanda from external threats. 'Black Panther' became a cultural phenomenon and Nyong'o's performance was praised for its fierce and empowering portrayal.