Tony was fucking flabbergasted. Just absolutely struck wordless, for at least forty seconds of wide-eyed staring. He'd just assumed. He hadn't even considered.

"How the hell do you not-- how. Does your universe not have a Bucky Barnes? How do you have a Captain America without Bucky Barnes? That's like, Jesus, Thor without a hammer. That's like me without a Pepper Potts. Why even bother? I seriously don't -- how?"