Washington, May 17 -- Over a decade after 'The Avengers' brought together Marvel's mightiest heroes on the big screen, actress Scarlett Johansson is opening up about the uncertainty and chaos she experienced during the making of the blockbuster film.

According to Deadline, in a recent interview, Johansson, who first entered the Marvel Cinematic Universe as Natasha Romanoff in 2010's Iron Man 2, recalled the initial confusion surrounding the ambitious ensemble project that would become a defining moment in superhero cinema.

"When we made the first Avengers, none of us knew what the potential would be," Johansson shared, reflecting on the early days of the MCU.

While Iron Man had already proven a massive success and its sequel had perfor...