“I did it once,” Ortega replied. “It was one of the first jobs I ever did. They took all my lines out. I’m in ‘Iron Man 3’ ...

It began with 2008’s “Iron Man,” a film that introduced the world to Robert Downey Jr.’s Tony Stark with the hint that he could be part of something greater. Over 30 films later, the story ...

None! If you wanted to watch Iron Man 2 for a credits scene teasing Mjolnir (Thor's hammer), then go for it. But this is Thor's first standalone movie, so you don't need anything else beforehand.