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"
The Conglomerate (comics) The Conglomerate (comics) The Conglomerate is a fictional DC Comics superhero team. They first appeared in "Justice League Quarterly" #1 (Winter 1990). The Conglomerate is a corporate sponsored superhero team, created by Claire Montgomery as competition for the Justice League International, which is led by her ex-husband, Maxwell Lord. Companies providing sponsorship to the new team included American Steel, Dante Foods, Dupree Chemical, Ferris Aircraft, LexCorp, Ovel Oil, Pax Entertainment, Stagg Enterprises, and S.T.A.R. Labs. The Conglomerate has had three incarnations, the first led by Booster Gold, and including Praxis, Maxi-Man, Echo, Vapor (Carole Donahue), Reverb (Vibe's brother), and Gypsy.