Since a native PC version doesn't exist, any file claiming to be a "highly compressed Iron Man 2 PC game" is usually a repackaged version of one of two things: Iron Man 2: The Video Game | GamesIndustry.biz
Since there is no native PC version, requirements depend on the emulator used. Modern hardware is generally needed for a smooth 60 FPS experience. download iron man 2 game for pc highly compressed