Find out how to watch Iron Man 2. Stream Iron Man 2, watch trailers, see the cast, and more at TV Guide ...

Back before Marvel ruled the box office, they let a focus group full of children decide that Iron Man would be the first MCU film.

10 years after Iron Man 3 hit theaters, we're ready to admit this is the most underrated MCU movie ever. Here's why this Marvel sequel deserves some love.