DC Database
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Dr. John Henry Irons is a S.T.A.R. Labs scientist turned superhero Steel.

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Steel battles Metallo

Astronaut Jack Corben returned home, but fell ill immediately. His ship was taken to S.T.A.R. Labs and John discovered that it had been infused with alien technology, informing Superman. When he learned that Corben was attacking the Superman Family with Green Kryptonite, he armed himself with his Kinetic Hammer and the Luthor Battle Suit and went to go help. John fought Jack, now calling himself Metallo, while the Supers made a tactical retreat to retrieve lead equipment to trap Captain Corben. Afterwards, the Super Family recruited John Henry under the alias, "Steel."[1] John would later create his own Steel's Armor and join the Justice League.[2]


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Justice League member
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This character has been a member of the Justice League of America, or the Justice League in any of its various incarnations, sworn by a duty to act as guardians of America and the world by using their skills and/or superpowers to protect Earth from the clutches of both interstellar and domestic threats.
This template will categorize articles that include it into the "Justice League of America members" category.

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Superman Family member
This character is or was an incarnation of or an ally of Superman, and a member of the Superman Family. This template will categorize articles that include it into the "Superman Family members" category.

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