Bucky followed the vampire in, carrying two bags—one his luggage, the other various gear. He'll keep it tucked away for now, but he wants a few surprises on hand in case they get any unpleasant surprises.

They didn't know what they were facing here, and they couldn't entirely rule out it might be aware of them somehow.

Not likely, he'd admit, but better paranoid than dead.

In that spirit, he shook his head when Natasha asked about sleeping. "I'll keep first watch," he said. In this case, not genuinely about any fear of sharing a bed. "I'll get surveillance and a parameter set up while you rest."