Superman lands on Earth

Imagine it. Superman really exists, and people have known about him for a while now. He has appeared before them several times, but he still counts as news.

Now he is coming down to Earth again, right where you happen to be nearby. People run to him, cheer him, take his picture. You, however, stay a little further from the crowd.

You notice that Superman is watching you. You look around to see what he might be looking at, but there is nobody there besides you. He is, beyond doubt, looking straight into your eyes.

What would you do then?

• I would smile at him, since apparently he likes me.
• He surely isn't really watching me, so I would go home.
• I would wait for the crowd to leave, and see what he does after that.
• Superman doesn't exist; there is no point wasting time on questions like this.
• …