So he's not an alien. Interesting. He wishes he could ask 'then what are you' because playing 20 questions when he has no idea of what's in other worlds would take forever. So he'll just take 'superpowered human' and run with it.
"Yes, I am. Kryptonian, that's why I asked you. I had... never seen anyone else fly. What else-" He purses his lips for a second. Then: "Can you do other things?"
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"Yes, I am. Kryptonian, that's why I asked you. I had... never seen anyone else fly. What else-" He purses his lips for a second. Then: "Can you do other things?"