As the streaming wars heat up, Amazon is betting big on The Lord of the Rings. The company is spending hundreds of millions of dollars developing a prequel series set long before the events of the movies. This as-yet-untitled series will be set in the Second Age of Middle-earth, an important time that literally reshaped the face of the planet. If you're not familiar with the extensive backstory behind The Lord of the Rings and The Hobbit, don't worry.