The first major development of the 80’s was the breakdown of Henry Pym, with his frequent changes of costume and name being symptomatic of an identity problem and an inferiority complex. After he abused his wife, failed to win back the confidence of the Avengers with a ruse and was duped by the villain Egghead, Pym was jailed. Pym would later outwit Egghead and defeated the latest incarnation of the Masters of Evil single-handedly, and proved his innocence. Pym reconciled with the Wasp, but they decided to remain apart. Pym retired from super-heroics, but returned years later.
This was followed by several major storylines, such as “Ultimate Vision” in which the Vision took over the world’s computer systems in a misguided attempt to create world peace; the formation of the West Coast Avengers; and “Avengers Under Siege” which involved the second Baron Zemo and the Masters of Evil taking over the mansion and severely injuring Jarvis and Hercules. “Assault on Olympus” featured Hercules’ father, Zeus, blaming the Avengers for his son’s injuries and brought them to Olympus for trial, and the “Heavy Metal” arc saw the Super Adaptoid organized several robotic villains for an assault on the team. New members during the 1980s included Tigra; the She-Hulk; Monica Rambeau (then going by the name Captain Marvel); Starfox (the brother of Thanos); Hawkeye’s wife, Mockingbird; and Namor, while Henry Pym emerged from retirement to join the West Coast Avengers. Spider-Man was again offered membership, but failed to gain admission due to security concerns by the Avengers’ government liaison.
The villain Nebula falsely claimed to be the granddaughter of Thanos. The team relocated for a period to a floating island off the coast of New York called Hydrobase after Avengers Mansion was severely damaged during the events in “Under Siege”. Hydrobase was later sunk during the Acts of Vengeance crossover.
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