Viral Video Box Of Lies with Scarlett Johansson: Black Widow Shows Jimmy Fallon How To Lie! [WATCH]

Over the past few days, the whole main cast of "Avengers: Age of Ultron" has visited Jimmy Fallon on "The Tonight Show" to promote the most recently released Marvel film, and there are a wide variety of viral videos to prove it - most recently, Black Widow herself, Scarlett Johansson, playing "Box of Lies" with the host!

A few months ago, Emma Stone's appearance in "Box of Lies" went viral, though not nearly as much as the video from a previous appearance on "The Tonight Show" where the world saw how amazing she is at lip syncing.

In any case, don't miss "Box of Lies" with Scarlett Johansson below!