How Brie Larson is training for her lead role in 'Captain Marvel'

As Avengers: Infinity War continues to dominate at the box office, fans are eager for the next chapter: Captain Marvel. Brie Larson has been going hard in the gym for the past nine months to prepare for her eponymous role in the upcoming film. She’s going to be the first woman to solo lead a Marvel action movie, and she has completely transformed her physique for the part. Wonder how she did it? We’ve got answers in this week’s episode of "Off Season."