In the movie of The Two Towers, Haldir is shown arriving at Helm's Deep with a large group of Elves, and they fight alongside Th�oden and the Men. Haldir says: "I bring word from Elrond of Rivendell. An alliance once existed between Men and Elves. Long ago, we fought and died together. We come to honor that allegiance." Furthermore, Haldir is slain, sadly.This differs from J.R.R. Tolkien's original work. Haldir and his brothers are only mentioned in The Fellowship of the Ring. And their roles are very small. Haldir does not die. He lives.