United Kingdom, May 13 -- Sebastian Stan has confirmed he and Annabelle Wallis are expecting their first child together - and he is already "feeling the responsibility of being a good father".

The Captain America: The First Avenger actor has told how he and he is determined to be a "good dad", and he loves continuing to learn how to be a "good man" in life.

Speaking about book Notes on Being a Man by Scott Galloway, he told Deadline: "I'm feeling the responsibility of being a good father, and not to mention a good man.

"I'm 43 and I feel, in a lot of ways, I'm just starting to learn now. It's just crazy to me.

"So, I love when I see I'm discovering different people's point of view.

"I try to read as much as I can, no matter what the ...