"Krypto the what?" Oh, he is totally gonna ask Kara about that one... Or maybe not. But that is enough to bring a smile to his face in amusement. Aaand the smile disappears immediately after he processes all that information, specifically the bit about the Green Arrow.

"Hey, Bart? Remember that thing you said about not sharing that much about the future? It occurs to me that everything you've told me up til now kinda counts as over sharing. Though, uh... Not that I know which events are even remotely relevant to our timeline. I think it might be best to relax a little. You nervous?" Not meant to put you down, Bart, just a cautionary measure. He adds that last part to try and see if there's anything going on that he can actually address or help with.

He looks up to a series of panels, of the flash family.

"It must be rough to see everything so different from what you're used to."