What are some feats from non-movie mediums? It doesn't have to be canon.
Toy bio: "For some battles, not even the massive firepower of the Iron Man armor is quite enough. That's why Iron Man built this enormous, converting suit. It has the speed and maneuverability of the armor, but carries the overwhelming ordnance of the world's most advanced fighter jets."
MCU composite Iron Man has an armor that can transform into a jet that has the ordinance of the world's most advanced fighter jets (Iron Man 2 era).
Iron Man Jet Silver Centurion version:
Toy bio: "Some targets are too hot for even Iron Man to attack directly. That's why this high-flying armor suit exists. Flying at the highest parts of the atmosphere, it drops super smart bombs designed to stop the bad guys. Then Iron Man can dive in and eliminate any enemies left standing."
One version of this suit can drop super smart bombs from atmosphere.