The game is no longer officially supported or available on Google Play. That means any working version will come from third-party sources. – always scan APK + OBB files for malware.
Since you're looking for the Iron Man 3 game, it’s important to know that this official Gameloft title was removed from the Google Play Store years ago. Because it was an "always-online" game, finding a working version today is a bit of a treasure hunt. 🕹️ The Status of the Game Delisted/Discontinued. Developer: Gameloft. Original Release: 2013. iron man 3 game download for android apk obb hot