Usually, when the world needs saving, it calls on something boring like a young farmhand who hasn't realized his destiny. Yawn. Tornado goes in a unique direction and uses a group of super cats who can turn into tornados to save the Earth.
Their ability to turn into nature's vacuum cleaner comes in handy when an alien prince uses a black hole to steal everything from Earth. This prompts the feline heroes to spring into action and suck up whatever isn't nailed down.