If you want to play the game on a computer, the only functional method is through using software that mimics game consoles: RPCS3 (PS3 Emulator):
Because there is no official PC version, any "highly compressed" download link claiming to be the full Iron Man 2 game for Windows is likely a or potentially contains How to Play on PC download iron man 2 game for pc highly compressed
The official Iron Man 2 video game was never released for PC. While versions were developed for Xbox 360, PlayStation 3, Wii, and handheld consoles, the planned Windows version was by Sega during development. If you want to play the game on
Users have successfully played the PS3 version on PC using this tool. Xenia (Xbox 360 Emulator): and handheld consoles