[ He's calling Sam as soon as Bucky messages him, calm but concern still audibly laced in his voice. ]

Hey, Sam. It's me. Bucky said you missed work, and I wanted to check in. I can stop by if you need anything. Or – [ there's a pause, trying to move somewhere quieter since the city noise is so loud. ] Or you can use my place. My door's always open.

Call or text me when you get this. [ Otherwise, he's going to be searching the city with Bucky in tow. ]