The most obvious and apparent parallel between "Apocalypse Now" and Heart of Darkness is the differences in the venues in which the stories take place as well as the era in which each piece are set. "Apocalypse Now" is set during the Vietnam War with the protagonist being Captain Willard, who is sent on a mission to kill one of his own. While in Heart of Darkness, the protagonist is Marlow, a Belgian who heads into the Congo to find one of his company's workers, respectively. Marlow and Willard both learn about the battle between good and evil, and the evil that the jungle can bring out in anyone. One great similarity is Marlow and Willard's ability to hold back from succumbing to the `darkness' of the jungle by keeping their integrity and sticking to their goals. Consequently, Marlow and Willard are essentially the same character, however they have slight variations. Willard does not have the philosophical insight that Marlow has and is not always able to comprehend like him.
One large difference that I was able to find between Heart of Darkness and "Apocalypse Now" is the dependence and want of a substance. In Heart of Darkness, the great majority for the premise of Marlow's journey was built off of ivory expeditions and that