<Li> In the 2016 film Captain America: Civil War, Captain America continues to use his shield, although it is confiscated when he is apprehended for aiding the Winter Soldier in violation of the Sokovia Accords . Sharon Carter returns the shield to him, and he uses it in combat with Iron Man and his allies . Black Panther, whose weapons feature vibranium as well, scratches the shield in combat with Captain America . During the final battle featuring Captain America and the Winter Soldier fighting Iron Man, Rogers uses the shield to severely damage Tony Stark's armor, breaking open the helmet and destroying the suit's arc reactor . Ultimately, Captain America leaves his shield behind when Stark berates him for not being deserving of it, since Rogers kept the knowledge of the Winter Soldier killing his parents from him . </Li> <Li> In Avengers: Infinity War, T'Challa and Shuri present Rogers new dual - retractable vibranium shields in order to replace his traditional circular one he left behind at the conclusion of Civil War . </Li>

Where did the metal for captain america's shield come from