The Ultron Song / Black Panther and the Bot
S1, E4: Ultron takes over the airwaves, and the Iron Friends must stop him; a visit from T'Challa turns tense when a device threatens his suit and the IQ.

S1, E4: Ultron takes over the airwaves, and the Iron Friends must stop him; a visit from T'Challa turns tense when a device threatens his suit and the IQ.