The best idea is the one that works first, as far as Steve is concerned. Particularly when they're in a time crunch. The roaring noises from above have quieted; it's hard to be sure whether that's because they've put distance and walls between them and Blonsky, or whether it's because he's finished with the armor and gone quiet to stalk them again. Steve doesn't like the quiet. His nerves are frayed; the awareness of danger feels like a constant scrape of sandpaper against his brain.

Sometimes danger and fighting are exhilarating. He'd be lying if he claimed he never got an adrenaline rush. At least some of his more reckless behavior is ascribable to that (self-medication; when you can't get drunk you have to figure out a different outlet). There's a point where it's too much, though, and he's feeling it, irritation and restlessness and hurt and anger. He wants to break something.

Ah, and how convenient that Tony has something for him to break! He doesn't even question it, just hauls off and puts his fist through the X on the wall, brushes away some of the resulting debris, and steps back with a little bow to let Tony do his stuff.

Steve paces almost silently from one end of the hall to the other as Tony picks at the wiring, checking for anyone lurking, and listening for indications of movement nearby. Nothing yet. Seems too easy. Then again, having Iron Man and Captain America show up here together was probably unexpected. Blonsky and whoever else is on his side might well be reformulating their plan.

He starts visibly when the doors pop open--that adrenaline again--but then he shoots Tony a little smile. "Nice. You good? Let me play lookout while you find what you need."