Captain Marvel was someone Tony hadn't met yet. But he didn't doubt she had something going for her from what he'd heard. But that, for the moment, was neither here nor there.
"What?" Tony asked, eyebrows raising in concern and genuine confusion. "No. Pete. Peter. It was never your job to protect me. I did what I had to, and I don't regret that." Sure, he hadn't done it yet, but Tony didn't think for a second the decision that some future him had made was wrong. He'd do it again.