When the "Mad Max" prequel "Furiosa" was announced, fans were excited to learn more about Imperator Furiosa. They looked forward to seeing Oscar-winner Charlize Theron return for another crack at the role. Unfortunately, things didn’t work out as Anya Taylor-Joy is playing a younger version of the beloved survivalist. With the prequel coming to theaters soon, "Mad Max" impresario George Miller explained why Taylor-Joy replaced Theron.