Lupita Nyong'o stars as Nakia, a skilled Wakandan spy and love interest of T'Challa, in the Marvel superhero film 'Black Panther.' The movie follows T'Challa, the newly crowned king of Wakanda, as he navigates the challenges of ruling his technologically advanced nation and protecting it from external threats. Nyong'o's character plays a crucial role in the story, showcasing her strength, intelligence, and loyalty to her people. 'Black Panther' received critical acclaim for its groundbreaking representation and cultural significance, becoming a global phenomenon.