It takes one to know one, perhaps, but the moment Steve grasps the other man's hand he registers the care he's taking, uncanny strength held in check. It's the same kind of handshake Steve gives to new acquaintances.

"...Superman?" He repeats, and that old Brooklyn sass rears its head. "I've heard subtler aliases, but okay."

He immediately looks apologetic. He's usually on better behavior than this, but it's been a weird day, and this is the weirdest part of it so far. "Sorry. Most of the situation is going on on the other side of the ocean from what I hear. There's some kind of cross-dimensional temporal distortion. I'm not at liberty to..."

To what? Loose lips sink ships, sure, but it ain't like anyone knows exactly what's happening, nor has it been happening long enough to become classified. Fuck it. He breaks into a wry smile. "Never mind. It's just that the last time a portal opened up over our heads, it spat out an invading alien force that tore up most of lower Manhattan. I'm working with strategic homeland defense, putting out fires. Things are coming through, mostly non-living things. The worst is over London. Is any of this debris likely to be hazardous?"