All-out war against an android army! What begins as a simple prison break suddenly turns into a technological nightmare for the Avengers as robotic foes from all eras of the team’s history join forces under the leadership of the Super-Adaptoid! What is the Adaptoid’s ultimate goal, and how does the Cosmic Cube factor into it? And when the Adaptoid receives a major power upgrade, will any of the team be left standing to stop him? Plus: The Avengers move their headquarters to the floating Hydrobase, but is Dr. Druid hiding a secret agenda? Who is the beautiful woman he keeps dreaming about, and what does it all have to do with Kang the Conqueror? Collecting AVENGERS (1963) #286-293.