[ Knowing is half the battle. She can see feel that churn of emotions as she argued with Coulson, so certain she was doing the right thing by insisting she be left behind. And then she remembers the absolute terror when Fitz had removed the blocker and they'd all slid closer to the future coming true. ]

Yeah, technically, I did. [ By letting Coulson die. But she can't think about that right now, nor is she ready to tell Bucky about all of that, so she barrels onward. ] But uh, back to the point of this story. Months passed in between us going to the future and saving the world, so when Fitz died during the final battle... Well, one version of him was dead. The Fitz who slept for seventy years, who came back with us to the past, who married Jemma. But the Fitz who was in cryo was out there somewhere in space still. So we went to find him.