'Avengers' takes off with $18.7M at midnight shows Produced by Disney's Marvel Studios unit, "The Avengers" already is a blockbuster overseas, where it opened last week in 39 markets. "The Avengers" assembles key Marvel Comics superheroes introduced in earlier films, including Robert Downey Jr. as Iron Man, Scarlett Johansson as Black Widow, Chris Hemsworth as Thor, Chris Evans as Captain America and Jeremy Renner as Hawkeye. Samuel L.