I don't know, I don't know where the others are. They could be anywhere.

[He looks around, as if that'll help him find the ones missing from his memories. But he never sees all of the other bombs, even getting flashes from other timelines of his life, it's not information he'll ever know.]

What if that isn't true? What if every time a person dies, when they come back, it's a different version of that person? Then the soul from one reality is free, forever.