"What's "Captain America's shield made out of?" "Name me some of the stones in the Infinity Gauntlet!" "Where does the Dark Surfer trap Thanos and Captain Marvel?" BOOM! YOU JUST GOT SCHOOLED BY A LITTLE GIRL.
This is Mia Grace (according to the YouTube page this video originated from). Mia Grace is awesome. Try not to fall over when she shouts, "It's clobberin' time!"
[Via The Mary Sue]