An alternate equivalent of Arno Stark has since been seen in the mainstream Earth-616 continuity as the previously unknown brother of Iron Man. He is revealed to have been genetically altered by the Recorder known as 451, intending for the child to grow up to pilot a suit of armor known as the Godkiller. Upon learning this, Howard Stark sabotaged the experiment which rendered Arno crippled and unable to speak without the use of machines. His existence was purposefully kept a mystery until decades later when he was discovered by Tony at the Maria Stark Foundation. He and Tony began transforming the decrepit Mandarin City into a futuristic utopia called Troy. Tony and Arno's plan soon found opposition in the form of the Rings of the Mandarin who started searching for hosts to destroy Tony and Troy. The Mandarin-One named Lord Remaker bombed the Troy Central Control and Arno was seemingly killed. However, Arno had deployed his own suit of Iron Man's armor with which he later helped Iron Man and the Trojan Guard fight the enemy forces. After realizing the city would never be safe as long as he was attached to it, Tony quit working directly on Troy, leaving Arno the position of the city's new custodian. Arno later began working on a remake of the Extremis virus. This Extremist was used to cure Bruce Banner of his head injury. Following the "Civil War II" storyline, his comatose brother was placed in a rejuvenating pod of Arno's design. After Tony Stark awoke and laid low until recovering, Arno was recruited into a search party. When Amanda Armstrong was confronted by Hydra double agent Jude, Arno was among those who responded to Mary Jane Watson's distress call. As he went on a globetrotting journey, Arno met Sunset Bain. He joined up with Sunset Bain's company Baintronics in a plot to steal data from Stark Unlimited. Amidst the crisis in Tony's escape virtual reality program, Arno hacked Stark Unlimited's surveillance systems and found confronting virtual versions of Howard and Maria called Arsenal Beta and Mistress. He then witnessed Tony using brain power to construct the Godbuster Armor. After Arsenal Beta and Mistress are deleted, Arno salvaged their digital engrams and the Godbuster Armor data. At the time when Iron Man was dealing with Ultron/Hank Pym's plot to fuse Jocasta with Wasp, Arno used the engrams of Howard and Maria and the bio-restructuring pods to create duplicates of his parents that also had their memories and thoughts. When it was discovered that his brother is just a simulation and actually died during the Civil War II storyline, Arno used this to his advantage to acquire Stark Unlimited through a merger with Baintronics. With the combined resources, he built the Iron Man Armor Model 66 as his attempt to recreate the Godbuster Armor. Now having a new destiny, Arno is now the latest person to take on the Iron Man mantle.
Powers and abilities
Arno Stark has genius-level intellect and an enhanced biology. As Iron Man, he started to wear the Iron Man Armor Model 66.
Other versions
The Ultimate Marvel equivalent is Gregory "Greg" Stark. The character, created by Mark Millar and Carlos Pacheco, first appeared in #2. In contrast to Iron Man, he's more competent and doesn't possess his twin brother's infamous lifestyle but also suffers from a superiority complex, serving as Nick Fury's benefactor for the Avengers to initially defeat the Red Skull and A.I.M.. Stark later participated in a war between the Avengers led by Fury and the Ultimates led by Carol Danvers. After an all-out fight which resulted in Fury being taken into custody and Danvers being in critical condition, Stark is given S.H.I.E.L.D. leadership by the President of the United States. Stark then revealed that he's actually responsible for Fury's framing as a rogue agent selling top secret superhuman research on the black market. Stark has also used his S.H.I.E.L.D. director position to aid in his cause of supplying smuggled super-soldiers to pro-democratic rebellions in rogue states and creating a new world order according to his own agenda. When Fury and the Avengers confront him, Stark uses a nanite fleet in his body, imbuing him with super-human strength and invulnerability. As his plans came to fruition as nations fall to revolution, Stark ordered the New Ultimates to stand down. But when the New Ultimates and the Avengers fight against of the conspiracy, Stark personally fought against both groups in North Korea; he destroys Captain America's shield to show his strength. Iron Man disabled his brother's nanites via electromagnetic pulse to which Stark is killed when Thor strikes him with a lightning bolt. On the Technopolis area of Battleworld during the Secret Wars storyline, Arno Stark is the brother of Tony Stark. He colludes with Wilson Fisk to help undermine his brother's rule and seeks to steal new armor designs from Kiri Oshiro. It turned out that Tony and Arno's father was the one who unleashed the airborne virus that required everyone to wear high-tech armors. After Lila Rhodes defeated Iron Man and Arno, the brothers are arrested by the Thor Corps.
In other media
The Earth-616 version of Arno Stark appears as a playable character in ' with alternate costume designs consisting of Iron Man's Hulkbuster armor in ' and Bruce Banner's in . The character also appeared in the animated series Avengers Assemble.
