Scarlett Johansson stopped by The Tonight Show Thursday to promote her new movie, The Avengers: Age of Ultron, and also to play one of Jimmy Fallon’s favorite games, “Box of Lies.”
If you’re unfamiliar with this game, each player takes turns selecting a random box and then making the other person guess if they’re telling the truth about what’s inside said box. And since ScarJo is a gifted actor, she turned out to be quite good at this game.
As always, there are some truly bizarre items in the boxes, like a Starbucks cup filled with baked beans, and a Black Widow action figure holding hands with Gumby on a miniature bench.
See Avengers: Age Of Ultron Concept Art
![Avengers: Age of Ultron](https://api.time.com/wp-content/uploads/2014/07/section5_ironman_lo.jpg?quality=75&w=2400)
![Avengers: Age of Ultron](https://api.time.com/wp-content/uploads/2014/07/section6_captainamerica_lo.jpg?quality=75&w=2400)
![Avengers: Age of Ultron](https://api.time.com/wp-content/uploads/2014/07/section3_blackwidow_lo.jpg?quality=75&w=2400)
![Avengers: Age of Ultron](https://api.time.com/wp-content/uploads/2014/07/section2_thor_lo.jpg?quality=75&w=2400)
![Avengers: Age of Ultron](https://api.time.com/wp-content/uploads/2014/07/section4_hulk.jpg?quality=75&w=2400)
![Avengers: Age of Ultron](https://api.time.com/wp-content/uploads/2014/07/section8_hawkeye_lo.jpg?quality=75&w=2400)
![Avengers: Age of Ultron](https://api.time.com/wp-content/uploads/2014/07/section7_scarletwitch_lo.jpg?quality=75&w=2400)
![Avengers: Age of Ultron](https://api.time.com/wp-content/uploads/2014/07/section1_quicksilver_lo.jpg?quality=75&w=2400)
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