One of Johansson’s most iconic roles is that of Natasha Romanoff, also known as Black Widow, in the Marvel Cinematic Universe (MCU). She first appeared as the character in *Iron Man 2* (2010) and went on to reprise the role in several subsequent Marvel films, including *The Avengers* (2012), *Captain America: The Winter Soldier* (2014), and *Avengers: Endgame* (2019). Her portrayal of Black Widow has been praised for bringing depth and nuance to the character, and she became one of the highest-paid actresses in the world through her work with Marvel.

Beyond the MCU, Johansson has continued to take on diverse roles in both independent and mainstream films. She starred in *Her* (2013), where she provided the voice for an advanced AI operating system, earning critical acclaim for her performance. In *Under the Skin* (2013), she played an alien seductress, a role that further showcased her range as an actress. Her performance in *Marriage Story* (2019) earned her nominations for the Academy Award for Best Actress, and her role in *Jojo Rabbit* (2019) earned her a nomination for Best Supporting Actress.

Scarlett Johansson has been married three times. Her first marriage was to actor Ryan Reynolds from 2008 to 2011. She later married French journalist Romain Dauriac in 2014, with whom she has a daughter named Rose Dorothy Dauriac. The couple divorced in 2017. In 2020, Johansson married comedian and writer Colin Jost. The couple welcomed a son, Cosmo, in 2021.

Johansson is also known for her philanthropic efforts and activism. She has supported various causes, including cancer research, poverty alleviation, and women's rights. She has worked with organizations such as Oxfam, Stand Up to Cancer, and Planned Parenthood.

Scarlett Johansson’s career is marked by her ability to embody a wide range of characters, from independent films to blockbuster franchises. Her talent, dedication, and versatility have made her one of the most respected and influential actresses in Hollywood.