After the terrifying warning from Silver Surfer, Earth’s greatest heroes unite when Ultron evolves into Infinity Ultron, wielding the Infinity Stones and commanding the deadly Black Order. From the Twilight Avengers, the Infinite Four, the X-Men, and the Ravagers of the Galaxy, heroes across Earth and space assemble for the first stage of a massive war to stop Ultron before he erases life across the universe.