One impressive entrance, and Tony was back in the air, briefly rethinking this whole "fight indoors" idea. He was really good in the air, or other wide open spaces. Walls and ceilings tended to cramp the style and turn it into Rock 'em Sock 'em Robots, which was a bad idea against four or more. He was, sometimes, capable of thinking strategically and not just wading in and busting heads. (Okay, so it as usually JARVIS making the recommendations and him usually ignoring them.)
He shot back up through the hole he'd made - more or less, but the additional ceiling crashing widened the hole - firing off repulsor blasts as he went, feeling the dings of impact from something solid and the jolt of lightning making the arc reactor go all tingly in his chest, a weird form of pain and power. He didn't want to sit through too many of those.
The Icing Problem had pretty much been solved, but gold-titanium alloy could only do so much. The cold seared through the boot, and he blasted off the ice - and not his foot - as the other respulsor whined with the increased load. And fire too, he noted as the cold suddenly turned hot, and a second explosion rocked him back in the air. "Hey, elemental powers, Captain Planet wants the rings back."
First things first. He twisted through the air, staying mobile even as he engaged the targeting system, selected the appropriate weapon, and got tone and lock. The shoulder-mounted anti-personnel guns lifted from the pauldrons and fired on the two main guns attacking him - the heat and the cold - looking to disable or at least disarm.
And if they wanted him down...he cut power to the boot repulsors, and dropped back down, whipping off another round of palm-blasts to cover, then kicked back in the boots to close rapidly, and with force, on the guy in blue.