LEGO Eternals is a line of LEGO sets based on the Marvel Comics team of superheroes known as the Eternals. The Eternals are a group of ancient, god-like beings who possess incredible powers and abilities. The LEGO Eternals sets feature minifigures, vehicles, and builds based on the characters and their adventures.
The LEGO Marvel Super Heroes theme is based on the characters created by Marvel Comics. Originally Marvel was a subtheme of the LEGO Super Heroes theme but was later separated into its own theme. Over time, sets in the Marvel Super Heroes theme includes most characters and situations released to the marvel Universe from films to the comics to TV series.