A real compressed version of Iron Man 2 should range from 900 MB (PSP) to roughly 6 GB (PS3). If your download finishes instantly and is only a few megabytes, it is likely a malicious script.
The Iron Man 2 game was released in 2010 and is available on various platforms, including PC. If you're looking to download the game, here are a few options: Iron Man 2 Game Pc Download Zip File
Iron Man 2 expands heavily on the flight and combat mechanics introduced in the first game. A real compressed version of Iron Man 2
Face off against legendary Marvel antagonists including Crimson Dynamo, Whiplash (Ivan Vanko), and the massive Roxxon Armiger mechs. If you're looking to download the game, here
If you download an archive claiming to be a PC version and it contains an unverified .exe installer or setup file, do not run it . It is a security threat.