Brood

One of the most terrifying alien races humanity has ever faced, the Brood reproduce by hatching their eggs inside living hosts, transforming them into their kind. Only the heroic efforts of the X-Men have prevented these ruthless masters of bioengineering and weaponry from establishing a reign of terror on Earth. Traveling through intergalactic space in their living "space whale" starships, the Brood are a constant threat to all life in the universe!