Who dies first in lord of the rings?
No context provided
Who dies first in Lord of the Rings, even if it's offscreen?
Gil-galad
No context provided
Who dies first on screen in Lord of the Rings?
Elendil
The Lord of the Rings: The Fellowship of the Ring
https://en.wikipedia.org/wiki/The%20Lord%20of%20the%20Rings%3A%20The%20Fellowship%20of%20the%20Ring
The Lord of the Rings: The Fellowship of the Ring is a 2001 epic fantasy adventure film directed by Peter Jackson, based on the 1954 novel The Fellowship of the Ring, the first volume of J. R. R. Tolkien's The Lord of the Rings. The film is the first installment in the Lord of the Rings trilogy. 
The Lord of the Rings: The Fellowship of the Ring
The Lord of the Rings: The Fellowship of the Ring is a 2001 epic fantasy adventure film directed by Peter Jackson, based on the 1954 novel The Fellowship of the Ring, the first volume of J. R. R. Tolkien's The Lord of the Rings. The film is the first installment in the Lord of the Rings trilogy. Two characters in the Lord of the Rings, are Gil-galad and Elendil. Gil-galad died first offscreen and Elendil was the first to die on screen. 