No. 3 Monsters vs. Aliens

The story begins when a meteorite from outer space hits a young woman and turns her into a giant monster. She is taken to a secret government compound where she meets a ragtag group of monsters also rounded up over the years. Later, in desperation, the motley crew of monsters is called into action to combat alien invaders and save the world from imminent destruction. The film is widely regarded as a sequel to Monster Inc.