'Avengers' Benedict Cumberbatch on the most talked about movie ever

Doctor Strange himself talks 'Endgame' spoilers and the future for his Marvel superhero.
3:42 | 05/08/19

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Transcript for 'Avengers' Benedict Cumberbatch on the most talked about movie ever
Some breaks of sun on Friday but also Oscar nominated actor who is battling it out as an avenger playing Dr. Strange in the huge hit "Avengers: Endgame." It's wonderful to have Benedict Cumberbatch with us this morning. It's great to see you and, you know, we paid a lot of attention to the met ball and we saw you and your wife Sophie there. We had fun. We brought out the camp for You brought it out. I'm looking at your suit. She looks extraordinary. It's amazing. It was a thing line under the car trying not to crease it too much. I'm looking at your suit and thinking he had to go through a whole night. Were you worried about getting anything on the suit. I was worried at the beginning and just apart from a little bit of tequila at moments there was very little on it at the end of the night. I was kind of amazed it came out cleaner than this has ever come We notice the green tie pin. Was that your little -- was that a little nod to -- It was, indeed. I just -- I had the luxury of choosing a couple of things to just finish it off as a broach detail and saw that and thought that's a nice little nod to the green time stone so that's the one for me. The Russo brothers were here last week. They said that after two weeks it's okay to discuss the movie. Don't worry about spoiling it so with that being said -- Already I'm feeling uncomfortable so I got to say, to me I'm so hard wired not to do that. I think I'm programmed the wrong way to be the guy. You won't tell us how it ends. Eh. When you finally saw it were you surprised. Of course, I'm late to the party and I'm -- it's a wonderful role I've got in it but it's a very short appearance in this film so I mean I remember Joe pitching it to me and just having the hairs on the back of my neck just standing up and I thought this is going to be extraordinary if they pull it off and sat there as a fan saying this is extraordinary and there was surprises and thrills and just totally the acting and the performance and directions taken in that journey over three hours as an audience is just -- it's phenomenal for a film of that breed. It's very special. It is a phenomenon. So another possible spoiler, what can you tell us about another Dr. Strange? That's a good question. It's a good question. It's a very good question. Anyway, as we were saying about the met gala, the time stone, the time stone was an interesting detail which I thought might be fun but anyway -- With respect to the met, Serena Williams. She was berating me as well. She's a massive marvel fan. No, you don't understand, you are ruining my life. I'm sorry, we just met. Contextualize it. I'm just a stupid fan. I'm too involved. I'm one of those people, I said, what do you meaning. It just matters too much to me and I've been in a funk all week because I think I know what's going to happen. Have you seen it yet? She said, no! You got to get through it and it's an amazing film. She had had her two weeks. You should have told her how it ended. Just get it over with. I know, I know. But really --S if. It is a phenomenal film. The way the Russo brothers got everyone involved -- You sidestepped that question you really did. We'll have to wait for the next Dr. Strange. Promise you'll come back and talk to us. I will.

This transcript has been automatically generated and may not be 100% accurate.

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