Warning: This story contains FULL SPOILERS for Avengers: Endgame!
In order for the Avengers to secure all of the Infinity Stones to complete their “Time Heist,” it was inevitable that one of them would have to trade their life for the Soul Stone on Vormir, and it was Black Widow who chose to pay that price. In a sacrificial act to save her friends and restore the Vanished, Black Widow exchanged her soul so Hawkeye could return to the present with the Soul Stone and reunite with his family once they were resurrected.
But is that really the end of her story, especially considering there’s a Black Widow movie currently in the works? Let’s break it down.
Source: IGN.com The Big Question About Black Widow in Avengers: Endgame