Forty years ago, Aliens burst into our hearts, but this classic sequel nearly fell by the wayside due to some serious studio-created problems that saw James Cameron quit twice.
Source: [Space.com](https://www.space.com/entertainment/space-movies-shows/aliens-at-40-james-camerons-sequel-is-a-sci-fi-icon-but-did-you-know-he-quit-the-movie-twice)