Steel (John Henry Irons) the comic book tie-in of "Justice League Unlimited". Steel (John Henry Irons) Steel (John Henry Irons) also known as the Man of Steel is a fictional comic book superhero in DC Comics. Introduced in 1993 as one of several replacement characters for the then-deceased Superman, Steel continued to be an independent superhero after Superman's resurrection. He received his own ongoing series which saw him move from Metropolis to Washington, D.C. and join the Justice League of America in Grant Morrison's "JLA". He later mentored his niece Natasha Irons who became a superheroine herself. First appearing in "The Adventures of Superman"
Superhero film film in the "X-Men" series, and effectively rebooted the franchise. In 2014, Italian filmmaker Gabriele Salvatores directed a superhero-fantasy film titled "Il ragazzo invisibile", or "The Invisible Boy", which won the Young Audience Award at the 2015 European Film Awards. An "Avengers" sequel, titled "" was released in May 2015. Following the success of the Marvel Cinematic Universe, rival DC Comics also planned to make and produce their own shared film universe called the DC Extended Universe which began with the release of "Man of Steel"; a sequel titled "" was schedule for release in May 2016, though it was