Emperor Hulkling is a superhero appearing in American comic books published by Marvel Comics. The character has been depicted as a member of the Young Avengers, a team of superheroes in the Marvel Universe. Hulkling's character is patterned on the Hulk, with shapeshifting abilities that go far beyond the ability to mimic the Hulk, and superhuman strength. He is known for his relationship with fellow Young Avenger Wiccan, notable for being one of the highest-profile gay relationships in comics.

The Young Avengers are the names of two superhero teams appearing in American comic books published by Marvel Comics. Created by Allan Heinberg and Jim Cheung, the first team appeared in Young Avengers #1. The Young Avengers team features numerous adolescent characters who typically have connections to established members of Marvel's primary superhero team, the Avengers.