[He’s about to say “no, you’re not” but luckily he bites his tongue in time. Back at home he’d just gotten Conner back after the crisis, he’d been brought back to life after he’d died saving the world and he isn’t going to let anyone toss his name around like that because the kid had more than earned it, more than earned the shield of his house in his chest… but this isn’t just some kid trying to take his place, is it? He does look like Kon- like himself- but there’s obvious differences; otherwise he’d have picked it up right away.

He’s also talking about parallel worlds and time traveling. He could be from another Earth altogether. And he’s very nervous as it is, Kal doesn’t want to make things worse.]

And I’m Superman. [d’uh.] I know… there’s a Superboy in my world. Kon-El is his name. But you’re not him, are you?

You really are from a parallel universe.