Bucky is at 'not such a bad guy' in Bruce's mind, himself. Their burgeoning friendship is one fraught with trust issues.

"I can't see it for myself, so. I'd be interested in hearing it." He starts to move to lead him to a nearby cafe, glancing back to make sure he's following and keep pace with him. It's the middle of the day, and Bruce has learned his lesson about assuming others drink alcohol, anyway. Last time he'd done that they'd sat there nursing juice and ginger ale. So a cafe it is.

"And... It's not taking for granted." Bruce is almost physically incapable of taking things for granted; he wouldn't expect someone else to. "Just, I don't think we need to worry about owing each other."