"I don't know the story, either." He walks in silence for a few steps, mulling sourly over "important to someone she cared about". Who could that be, hmm? Ugh.

Then he says, haltingly, "Before here. I dragged my target out of the river. And ran as the helicarrier fell apart." That's officially the last memory of their universe he has. At least that might help place him a little better on the timeline.