The first of ten issues written by Brian Michael Bendis was released in March 2013 and ran through June of the same year. Three days later the event was officially announced, although by this point it had been over a year since the event had been originally announced.

In mid-November, 2012, Marvel Comics released a cryptic teaser written 'Age of Ultron' in binary code. Ultron escapes, setting up the events of Age of Ultron. During a fight with the Avengers while they try to rescue Spider-Woman, the Spaceknight is powered up, revealing that it was Ultron in disguise. 12.1 featured a storyline where the Intelligencia find a crash-landed Spaceknight and try to power it back up. A free adaptation of the storyline's events later appeared in the MCU animated series What If.? (2021). The story arc's title served as an inspiration for the Marvel Cinematic Universe (MCU) film Avengers: Age of Ultron (2015), although the film does not directly adapt the events of the storyline. This story takes place on two different Earths: the alternate Earth where Ultron annihilated humanity is referred to as Earth-61112, and the alternate reality where Morgan le Fay took over half the world is referred to as Earth-26111.Ī sequel, Cataclysm, was released later in 2013. Marvel stated that all art for the series was completed before it was solicited, ensuring deadlines were met and that there were no more than thirteen tie-ins to the four-month event. Other artists who contributed to the series include Carlos Pacheco and Joe Quesada, the latter of whom drew part of the final issue. Artist Bryan Hitch provided the art for issues one through five, and Brandon Peterson for issues six through nine. The storyline was published between March and June 2013 and featured a storyline by Brian Michael Bendis. The storyline consisted of an eponymous, 10-issue core miniseries, and a number of tie-in books.

' Age of Ultron' (abbreviated AU) is a 2013 comic book fictional crossover storyline published by Marvel Comics that involved the conquest of the Earth by the sentient robot tyrant Ultron. Thrice monthly (first 6 issues), twice monthly (last 4 issues)

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