• Cast member Scarlett Johansson poses at the premiere of "Avengers: Age of Ultron" at Dolby theatre in Hollywood, California April 13, 2015. The movie opens in the U.S. on May 1.

Cast member Scarlett Johansson poses at the premiere of "Avengers: Age of Ultron" at Dolby theatre in Hollywood, California April 13, 2015. The movie opens in the U.S. on May 1. (Photo : REUTERS/Mario Anzuoni)

The Hulk/Bruce Banner is here to stay, according to Mark Ruffalo. The fan-favourite superhero will continue to be a part of Marvel Cinematic Universe. In his recent interview, the "Avengers: Age of Ultron" actor also talked about his appearance in "Captain America: Civil War."

Chatting with Collider, Ruffalo revealed that his contract with Marvel includes four more movies and he hints at the possibility of the contract's expansion. The actor said that he could be a part of any Marvel movies such as "Avengers 3 and 4" or a Hulk standalone. He said the movie could be a "combination of those things," too.

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Meanwhile, Comic Book Movie is speculating that if the actor has a contract of another four or five films with MCU, he might be a part of highly anticipated "Captain America: Civil War."

However, in the interview the actor refused to reveal if he is certainly appearing in "The Winter Soldier" sequel or not. "I don't know if I'm in it yet. I don't know," Ruffalo said.

Meanwhile, Ruffalo did confirm new Spider-Man's debut in the movie. As for a solo Hulk film, the actor revealed that Marvel is yet to buy the rights. It is reportedly still owned by Universal. Thus it remains uncertain whether the film will happen or not.

Meanwhile, the "Avengers" actress Scarlett Johansson told Collider that she has read the script. Elaborating on the nature of the movie, she said it's got a very a "different feeling." She revealed that it is going to be "darker" than other Marvel movies. Further, she disclosed that "Captain America: Civil War" will introduce "even more complex psychological twists." The actress said that the third sequel of the franchise is more like a "pre-Avengers 3 and 4."

"Captain America 3" is apparently loosely based on "Civil War" comicbook storyline. World's collective governments issue an act for superhuman activity. This causes a conflict among the Avengers building up to a civil war. The film is expected to release on May 6, 2016.