Steve saw who Bucky reached for, and knew what to do. He caught his shield on the rebound and let it click into place on his back. With his other arm, he scooped Ariel into his grasp. The mermaid was still screaming, but she could thrash all day - Steve was not going to lose her. He turned for the doorway, to get her to safety, hesitating for only a moment to look at his friend. "Bucky..."
He didn't say anything more. Just clenched his jaw, nodded, and got Ariel away.