Scarlett Johansson does her best to maintain a work ... "The thing about being a public figure is that the idea of being recognizable and celebrated feels fun, but then you can never stuff it ...

Narrator: When Scarlett Johansson first got the role of Black Widow in 2009, she said that she had never set foot in a gym. So we visited Eric to figure out, with the help of his wife, Melissa ...