Shoot them both.
I'm a good shot, so I'd take it.
Assess what it is they want. Probably take the shot...
Is he suggesting that he can react in the time it takes a bullet to travel twenty feet? I'd rather not mess around with superman, thanks.
Shoot to kill. I am a very good shot
Aim carefully. If you sever the brain stem going down the backbone in the neck, he will be unable to shoot or do anything but fall.
whatever it is I would do would not include shooting anyone.
take the shot