Daedalus 5 was located on the Kree System periphery. It was the base of a large holdout of rebels against the Annihilation Wave. Eventually, the base was discovered and attacked by the Annihilation Wave, which led to a massive battle on the surface. However, after the battle waned on for hours, Annihilus decided that this was a waste of time and used a death ray powered by the power cosmic energy of Galactus to raze the entire planet.
Many years later, when the Guardians of the Galaxy prepared to confront the rogue Olympians who were coming after Star-Lord, they decided to face the gods as far as possible from sentient life. They chose Deadlus 5 as the battleground as a result, since it was barren of life.