Jared Leto stopped by The Tonight Show to promote his new movie Suicide Squad, and true to the spirit of his character, he brought along a Joker gift for Jimmy Fallon. Fallon was not a fan of what was in the box; it was even scarier than that sweater Leto was wearing. But Leto had a fantastic time being a devious prankster.
Some men just want to watch the world burn:
Now you know how to thwart Jimmy Fallon by crippling him with fear, should the need ever arise.