Over centuries, the Wakandans use the vibranium to develop advanced technology and isolate themselves from the world by posing as a Third World country. In 1992, Wakanda's King T'Chaka visits his brother N'Jobu, who is working undercover in Oakland, California. T'Chaka accuses N'Jobu of assisting black-market arms dealer Ulysses Klaue with stealing vibranium from Wakanda.