The Elders of the Universe are a group of supervillains appearing in American comic books published by Marvel Comics. The Collector was the first Elder to appear, and featured in The Avengers #28, but the idea that he was a member of a group known as the Elders was not introduced until The Avengers #174.
The Elders of the Universe surround Silver Surfer and Mantis on the cover of Silver Surfer vol. 3 #4 (Oct. 1987). Art by Marshall Rogers.
Collector is a fictional character appearing in American comic books published by Marvel Comics. Created by writer Stan Lee and artist Don Heck, the character first appeared in The Avengers #28, during the Silver Age of Comic Books, and has been a recurring antagonist in various storylines over the course of the ensuing decades.
Collector (bottom center) on the cover of The Avengers #119 (January 1974). Art by John Romita, Sr.
Benicio del Toro as The Collector in Thor: The Dark World (2013).