"Drug testing, DNA profile scans for important areas-- Yes, Banner, I make people give me DNA samples if they want to get anywhere near my lab."

No, he doesn't have yours. No, he doesn't need yours. He has other methods. No, you don't get to find out about them.

Pepper's smile makes Tony's face change, light hitting his eyes again. "Of course I kept it. I might want a kid some day and our genomes have a perfect-- Please don't hit me, I like my jaw unfractured."