I was thinkin' that maybe we're someone's last ditch effort to fix the Void. Like that Diagad person what gave us powers, the survivor. Just someone from the Train's world doin' one last thing.

But I'm still spitballin' here.

[He's not an expert or even near a hero and has no way of finding out. He's the interuniversal equivalent of a dad running around flashing a 'missing' poster shouting "Have you seen my child?" at anyone that might be able to help. Just a protector desperately seeking answers.]