The Kree, also known as the Ruul, are a scientifically and technologically advanced militaristic alien race in the fictional Marvel Universe. They are native to the planet Hala in the Large Magellanic Cloud. Their first on-panel appearance was in Fantastic Four #65 (August 1967), created by Stan Lee and Jack Kirby.
Read more about Kree: Biology, Culture, Technology, Known Kree