Watch X-Men's Quicksilver Play Tennis Against Himself

As demonstrated in X-Men: Days of Future Past, super-speed can be a pretty fun and useful power. When not being used to help prisoners escape from the depths below the Pentagon, it can be used to travel far distances instantly and just screw around with friends. There are all kinds of possibilities, and a few of them have been getting explored recently on the Quicksilver Instagram account. For example, this is how you play tennis when it takes you an instant to travel from one side of the court ...