What's In The Cards Mean?

Last night, I watched The Big Bang Theory S04E09, I found leonard hofstadter told to Penny's father that he was not sure he would be in the cards. I am a new English learner, so far, I can catch on many lines, but I would always lost in the American slang. Luckily, there is Internet exists, otherwise I should look into dictionary.

So I check the meaning online, in different websites, such as dictionary sites and q&a websites. I finally figure out what is the real meaning. In the cards mean something or some person is bound to happen in the future event or going to show up. For example, if I say I am sure I would be in the cards of Lisa's love. this sentence can be changed to another phrase, that is I am in or be more full-dress, Lisa loves me.

God, I am so happy, I mean I understand the meaning of another new expression, I am not mention the Lisa thing. Because there is no such person or heroine, I just make it up.