Bucky didn't really mind if they caused some time paradox, because it didn't sound like the future he was heading towards was any good at all. Being framed for blowing up a diplomatic meeting, the other Soldiers possibly being reactivated, a rift in the team that Steve held close.

He'd much prefer to stay hidden and for all of this to not happen.

"Sam Wilson told me." It shouldn't matter that he gives away that contact, it has to be either him or Steve and he's been avoiding Steve. "So we know each other where you're from?"