It is the best of the modern superhero movies to date. The story line was updated (originally Iron Man was created in Viet Nam) but the movie and Characters were true to the original comic books. The story was logical, "real" and believable, even though it was a science fiction character. Glad to see the director used real suits and models and used CGI sparingly - a discerning eye can see that even the best CGI has that "fake" look and detracts from the film (that's why Star Wars Episodes 1,2, and 3 were bad). The two hours flew by. I loved Spider-Man comics as a kid, all 3 Spiderman Movies were terrible, this movie was miles ahead of the Spiderman movies. Only one fault, that didn't really take away from the quality of the movie (but was a big let down), was the last sentence Robert Downey Jr. utters in the actual movie (not the epilogue after the credits). Don't want to spoil it, but it is a problem that can easily be fixed in the next movie. The sentence is probably a result of the current state of Marvel Comics. Marvel Comics were the gold standard of comics from the 60's into the 90's, but their comics suck now - they have stupid story lines now and their characters and stories are not dramatic, so they make up for it by making stupid, drastic changes in the story lines on a constant basis, which makes you not care about the characters and the titles. The revelation at the end of the movie takes a lot of the mystique away from the character; it could cause the character to lose some of its excitement and interest if it is not fixed in the sequel.