Transcript for 'GMA 40 for 40: Krysten Ritter Calls 'Jessica Jones' a 'Real Psychological Thriller'

I know had been gone back and forth the team's day to the last valor but I believe TJ that you are on the red carpet and marvel and you've got some of the big stars just Kenyon. TJ. He got me he looks dapper and. I'm Ben Elton Hansa to forgive me do just a little chaotic out here it's it's yeah I got to it's a little chaotic it here but we have. The stars have now arrived did Jessica Jones new superhero. Conflict. From marvel I think all the flick at the thirteen hour flick it's going to be streaming on net. Flicks but it's set to launch on the twentieth and here we have the star just the detail the superhero presidency he's back now held. We were holding a little earlier we were ready but how are ready to back. Beatle denies a little chaotic. It's exciting eighth inning and you can play a superhero. That work going have a right to cannot caller superior. Farmers here this is patent dispute of the former zero superhero who have a lot of time and it. He dark things happen in her past and we meet her she is rebuilding her life at that. Alcoholic private investigator New York City but it. She has problems he likes whiskey up in Wheaton on this superhero all my life you. Now when we hear when people hear marble they hear superhero they might think man's skin types and third type the superpowers that the toll development. It is and any campaign has got us I mean am. The apartment and heard of them aren't all that I give it is exciting but it's even more exciting to be apart have been doing something. They've never done before this is closer to. The land and it is the event. Well that's a little scary I'm talking to put it that Gary is here is that as a parent and here I am and it's very dark and gritty engram did. It's so it's the hard part from a. What did you have to do I talked to Melissa Rosenberg a little earlier her words he said. Announcing it seizes skinny little girls to talk about youth this that you put on some muscle and put on some weight but what was that like to get into. But kick instinct if you will. A lot of unused diapers it was daunting me at I had I knew I had a long ways to go. But once you get in and styling seeing results in feelings the difference in my area it's empowering and and it digging. I had the I had a lot of that kind of fun doing again I'd change for ninety minutes a day. All right and snapped but I'm sad. There are right now this is a different type of heroin this of the different type of superhero release we've seen some of them gives them prevail superhero character before this once complex has problems at the emotional issue considered vulnerable but don't secret strong. How important is it. And could this be a game changer of sorts to see this tightness got a book first of its kind that we've seen come to to life on the street. You know superior and I sits today it can't dance and that character is such an average at all admits it was the best thing. That's all I had seen available to me or not. It was not receive me to do everything kind of always wish to do and I thank you. I am a lot of sense I am doing like real dry and nice you know really isn't a deep work like that announces she's funny at times. The premium is like hitting the lottery. Right now. I think you're cast of characters that you all seem like a heck of a family if you I think everybody coming here you'll get a hug and touch it you're excited I got nothing. These are well Mike if you see him back there he's the next superhero it's going to be Luke cage now he plays your your love interest over their pay but. My Mike come here cut cut. It's a picture taken until did you pick to take you might it was nothing but. Am I I am you know it's the haven't experienced. And they use there's somebody out there acting in isolating got it. I got it together from the beginning. Yet there and sitting there waiting and together and now he's doing is guns. And yet it grant. Quote this is a superhero duo now these soup business now is there a super hero again that this. Michael clear plays the chaos now you're a superhero. But is not necessarily revealed immediately in the show and not immediately but. I think the fans already know what's going on arms he's good you know I don't. This is right now gums have reviewed articles. You know there's kids but and I'm just like I'm I'm so I'm so proud of it now numbers have been carried out of a rubber roof rid of my oh my god. It was put it like this hi Adam like what we're gonna do what we're gonna do. You I don't intend to get her to explain to folks this the different type of suit people here marvel superheroes again masking tapes and tights. But you'll have super strength but you all the normal folks to get a bartender here we had a profit investigating yeah. In Paris at them it's very grounded and realistic and Grady in higher. Like his that we can't because he rare news. Disagree or Allen and has done those things don't happen on the day I am they're not all the husbands and thanks very hour reality around us. Yeah relocated on a special effects that means we do things that you could actually you can imagine us doing it's not like soap bar out of range of a possibility. And our tariff reduction the public public through the city I mean get behind it's it's gonna get a bar. Joke and you by Bob of the game I mean that's that's the scary about your business walking the streets literally a bigger. I get a chance to tell you live right now yeah morning America look at our our our our our fortieth anniversary doing a forty straight hours out of that will broadcast the mortgage got a heads up by noon about double depth bombs on the got a title bureaucratic that it but I reverend out like we've admitted damaged don't. I'm on it. Money all right thank you got bouquets coming up you gonna bring it next year home character what can we expect that you know it before I get to them that the comic book characters how familiar were you wolf first. Who do. Where you'll be comic book clothes individuals where you familiar with these two characters before. Not at all not at all I think I think I was like completely like a blank slate and uber nervous about it but. When I saw the sides and we read that you can see read or are marble I think it was like I don't know what to speculate that it gets you know but again that's oh. Amy and I guys that is holding together and still are scenes that didn't think they were so later subjects and they are very very good and I'm it is exciting that I had no idea that yes it was until I got. And the car and started getting married hazards in read all the comments. Nina. You know whether it's up there is it's a lot of sexuality involved but also it's sexy but what. Well let it effect the sixty people Tuesday do you think the of that let's bring you eyewitness Death Valley vessel Alexander. But really this my room. Favorite and a footnote not ours are viewed itself as. Good Morning America but it it's nighttime but you'll come into that Boston guys. It provides an exciting but it both of you congratulations. It's an absolute pleasure zealot congratulates him. There there's so excited to see double there you have it could do it doesn't own bouquets are legislative and but what is it going here we'll head back over. He did think you so much that haven't seen mainland just rule the red carpet like you just that you just pulled them where its stand and let it. Very nice out of it.

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