Steve always wears a mask. When he’s outside, in the city, saving people, saving the world, he is Captain America. Champion of justice, strong, untiring, always with a grin, a smile, a quip, an uppercut, the shield. Even around the team that mask doesn’t come off completely.
Bucky was dead.
The Winter Soldier was finally dying.
The man who had been Bucky did not remember being that man. But they were not the Soldier, not any more. They don't know who James is yet.
Natasha has always known conflict. Has known hunger, pain, desperation, death. They are her constant companions, always lurking around the corner, in a stranger, in herself.