is of the opinion that her latest film
The 30-year-old actor, who reprises her role as
in the latest installment of the Marvel franchise, believes the film is different from any other superhero tale because of its complex plot, reported Contactmusic.
"There's a Shakespearean aspect to the story that Joss Whedon has crafted, particularly with the villain Ultron. His artificial intelligence is created by
to protect humanity, but because Ultron's born of Tony's ego, he's tragically flawed," she said.
Johansson found the movie particularly exciting for her character. "Black Widow has experienced a lot of trauma and never been able to make active choices for herself, but now she's ready.
"I'm looking at it as an actor, looking for material that's substantial. So when you're shooting a page of the script over two weeks it gives you something real to hold on to," she added.