There's that bitter edge of self-loathing again, and she doesn't know how to help. It's not his fault – but he knows that already and it doesn't help.

Steve doesn't blame him, clearly. But that doesn't mean he doesn't blame himself.

She's profiled Tony Stark. She knows what his reaction must have been. "So Zemo lured you all there so he could break Steve and Tony apart, get revenge for what happened in Sokovia."

She doesn't want to ask. She doesn't want to know. She doesn't want to hear how it happened, but he's taking her through this already, despite what it's doing to him. She needs to push through. "Bucky...what happened to your arm?"