Fan Casting Star-Beast

When a mysterious space vessel crash-land on Earth. a scientist hunter woman and a ragatag group of tactical soliders make a fateful discovery that puts them face-to-face with the planet's greatest threat. Those remaining exist in isolated equatorial environments with climates resembling the one in which they once thrived. The three most colossal alien creatures within that tropical biosphere hold the key to a drug that will bring miraculous life-saving benefits to humankind.