Scarlett Johansson Plays Box Of Lies With Jimmy Fallon

On Thursday night's Tonight Show starring Jimmy Fallon, Scarlett Johansson appeared to promote Avengers: Age of Ultron. After chatting with Fallon and watching a clip from Avengers: Age of Ultron, Johansson took part in a game called Box of Lies.

In Box of Lies, Johansson and Fallon took turns selecting one out of nine boxes. Once one of them selected their box, they opened it out of view of the other person. Then, they told their opponent what was in the box, but they could be lying or telling the truth. The opponent had to guess whether they were lying or telling the truth. If the opponent guessed correctly then they got a point, but if they guessed incorrectly the other person got a point. We've embedded video of the showdown between Johansson and Fallon below.

Avengers: Age of Ultron opens in movie theaters in the United States on May 1, 2015.