Part 6/11:
This move is significant. Johansson’s Black Widow film marked her last solo appearance in the MCU, and she has publicly stated she has no intention of reprising her role for future Marvel projects, citing a sense of exhaustion and a desire to move on. She even joked that if she were to return from the dead, it would be catastrophic ("half the world's population would die," referencing Endgame). Her clear message: she's done with Marvel.