Women'sRevenge

Women working in a secret government facility decide that man have had it their way for far too long, and also decide to do something about it.
They develop a formula that is supposed to make animals grow to incredible size and thus virtually eradicate the world food shortage.
However, it also causes women to grow to 50 feet tall, and makes them invulnerable to virtually all firearms.
Men are in for a hard lesson in how to treat women, whether they want it or not, women start putting their foot down literally.