... All right, I admit it. I just think a pr0n AU where Steve was a roman soldier from the provinces (with a barbarian mother, maybe, to explain the blondness) and Tony was a patrician with a mechanical/mathematical bent who'd been sent out to be an aide to Julius Caesar and Thor was a Germanic barbarian chieftan or something would be awesome.

THIS. *flails hands in desperate grasping attempt at indicating the sheer awesome of this idea* Together, they fight--wait, which side are they on again? Of the about seven readily available in the period, I mean?

Yon Stark has a lean and hungry look. He thinks too much. Such men are dangerous...