Help: A joke about Superman

One day, Zorro went to his mistress's house to meet her.

The hostess asked Zorro, "What should I do when my husband comes back?"

Zorro said, "It's okay. If your husband comes back, I will jump out of the window and my horse will pick me up below. "

The hostess said, "If I hear three knocks at the door, my husband will come back."

Zorro said, "I see."

After a while, it rained. Suddenly there were three knocks at the door: knock, knock, knock.

If it's too late, it will be soon. Zorro jumped out of bed and suddenly jumped out of the window.

When the hostess saw Zorro leaving, she went to open the door.

I saw a horse standing in front of the door and said to her, "Tell Zorro it's raining outside and I'll wait in the corridor.