The Skrulls are a fictional race of extraterrestrial shapeshifters appearing in American comic books published by Marvel Comics. They first appeared in Fantastic Four #2 and were created by Stan Lee and Jack Kirby. They originated from the planet Skrullos and their empire is located in the Andromeda Galaxy. Their infiltration of Earth was a major event in the Marvel Comics universe as shown in the crossover event Secret Invasion.