Because it's made out of vibranium.
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What's Captain America's shield made of Vibranium. What's Hawkeye's shield made of Quicksilver.
Vibranium. What is Hawkeye's Shield made of **Quicksilver**
A star-spangled banner
Because a black widow has no husband.
The NBA.
because she kept sitting on pinocchio's face moaning, "lie to me!"
A running gag.
because it was the first Indie film.
Ovary Enthusiastic