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**
Because every time one bug was fixed, 2 more appeared.
You love your own, but hate everyone else's.
With love and hisses.
Because a black widow has no husband.
He/she's not sitting or standing!
because they're too poor to afford chairs.
Because he's Russian