ever marching as to war

"We will," Bucky replies, evenly, trying hard to keep the smirk off his face, but failing miserably. He's more irritated for the interruption than embarrassed, strictly speaking, and while under other circumstances Natasha's words would leave him blushing redder than his gloves, he's mostly just glad that they proved enough of a deterrent to send Steve packing without any lectures about public indecency and foul language.

Giving his friend a halfhearted salute, Bucky looks at Natasha out of the corner of his eye, unable to hide his amusement when he adds, "Won't we?"