"That sounds like the kind of stupid thing my partner would try to do, too." There's the faintest hint of a smile when Bucky says that, but the minute he sees Sam he'll go back to claiming he doesn't have a partner at all.

"What kind of work did he make you do that you're so worried about what these people want from you?" If the guy's going to keep answering questions, Bucky will keep asking them, but he doesn't plan to offer much information in return.