- Sam Rockwell was once one of the first candidates to play the actor Tony Stark in the first episode of "Iron Man", but in the end he played Stark's rival and business rival in the sequel "Iron Man 2". Sting Hammer.
- Al Pacino had considered playing the role of Justin Hammer.
- In the original comics, Justin Hammer is an old shrewd businessman, but in the movie version, in order to make him a rival to Tony Stark, he was recast as a young man. Role. Of course, part of the reason is also because Al Pacino did not play.
- Emily Blunt had already finalized the role of Black Widow in the film, but was forced to quit because of a collision with her starring "Gulliver's Travels". Later, this role also considered Jessica Alba and Gemma. · Arterton, Natalie Portman, Jessica Bell and Angelina Jolie, but in the end it was decided to starring Scarlett Johansson.
- Scarlett Johansson loved the character of Natasha Romanoff, codenamed "Black Widow" so much, she couldn't wait to dye her hair red even before she was sure whether she could get the role.
- In order to prepare for the role of Black Widow, Scarlett Johansson received 6 weeks of special training before shooting the main camera, and then spent 6 months shooting the film. But except for the role of Scarlett Johansson, the main filming of the film took 71 working days.
- Terrence Howard, who played Colonel Rhode in the first part of "Iron Man", fell apart with Marvel, so this role in the film was replaced by Don Cheadle.
- Don Cheadle stated that he originally wanted to play the actor Stark’s right-hand Colonel Rod in his own way, but in the end he still borrowed Terrence Howard’s performance in the first part as much as possible, so that the audience would not I feel that there is a big difference between this role in the two episodes.
- Ivan Vanke, the villain in "Iron Man 2", is a combination of Iron Man's opponent Crimson Dynamo (worn in an armor that can control electricity) and a whip (holding a special acid razor whip) in the comics. In addition, the nationality and real name of the whip in the film are derived from the identity of Crimson Dynamo in the comics.
- Mickey Rock personally visited Moscow’s notorious Butyrka Military Prison in order to play Ivan Vanke, who was codenamed The Whiplash. He even suggested that half of the character’s dialogue should be written in Russian.
- Samuel Jackson was unable to negotiate with the filmmakers due to contract issues, so he was short of interest in playing the one-eyed Nick Fury again in "Iron Man 2," but director Jon Fayre promised to give him more He also reached an agreement with Marvel Comics to play the role of the one-eyed Nick Fury in nine films adapted from Marvel Comics.
- Tim Robbins was the candidate to play Howard Stark, the father of the protagonist Tony Stark.
- The basic structure of the film's story comes from the "Devil in a Bottle" chapter of the original comics of "Iron Man 2".
- "Iron Man 2" is the first sequel movie produced by Marvel Comics, and the first sequel movie that director Jon Feiru participated in as director and actor.
- The crew specially invited the animator Genndy Tartakovsky to draw the storyboard script for the film's action scenes.
- Robert Downey Jr. suggested to the crew that the costume of Iron Man in the film should be designed to fit in a suitcase like in the comics or the first episode of the movie.
- The screenwriter Justin Theroux was recommended by Robert Downey Jr. to the crew, and they had previously collaborated in "Tropical Thunder".
- John Debney, who served as the soundtrack for the film, completed the soundtrack work in only 4 days.
Iron Man 2 behind the scenes gags
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[to Stark's birthday guests]
Col. James 'Rhodey' Rhodes: [in Mark II suit] I'm only going to say this once. Get out!
[the guests leave in a panic]
Col. James 'Rhodey' Rhodes: [to Stark] You don't deserve to wear one of these. Shut it down!
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Tony Stark: [lying drunk on the floor, having been blasted by War Machine] Goldstein.
Adam Goldstein: [peeking up from behind laptop] Yes, Mr. Stark?
Tony Stark: Give me phat beat to beat my buddy's ass to.
["Another One Bites The Dust" plays]