No, Black Widow does not come back to life in the Marvel Cinematic Universe (MCU).
Black Widow's Fate: The film Black Widow takes place before the events of Avengers: Endgame, and it is revealed that Natasha Romanoff, aka Black Widow, sacrifices herself to retrieve the Soul Stone in Avengers: Endgame. This sacrifice is a permanent death in the MCU, meaning she does not return.
The Movie's Impact: While the movie explores Natasha's past and her relationships with other characters, it does not change her ultimate fate. It serves as a way to honor her character and provide closure for her story.
The MCU's Continuity: The MCU has a strict continuity, and deaths are generally permanent. While there have been exceptions, such as the resurrection of Vision, Black Widow's death remains a significant event in the MCU narrative.
The Future of the Character: While Black Widow is no longer alive in the MCU, her legacy continues to influence other characters and storylines. Her past actions and relationships continue to shape the present and future of the MCU.
