The future begins in the past! It's a clash of the titans in the 11th century, as Thor battles Apocalypse. The Avengers' ancestors are being hunted and only a young Thor can save his future companions. And with Rama-Tut and Kang pulling the strings, nothing good can come from any of it. And in the present day, the beginning of the end looms...as the Apocalypse Twins debut! Why do they seek to anger the Celestials? What is their connection to Kang? Plus, Kang and the The Apocalypse Twins enter the Age of Ultron, but what do they want?