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In page Frank Miller:

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Miller was involved in a few unpublished projects in the early 1980s. A house advertisement for Doctor Strange appeared in Marvel Comics cover-dated February 1981. It stated "Watch for the new adventures of Earth's Sorcerer Supreme—as mystically conjured by Roger Stern and Frank Miller!". Miller's only contribution to the series was the cover for Doctor Strange #46 (April 1981). Other commitments prevented him from working on the series.[18] Miller and Steve Gerber made a proposal to revamp DC's three biggest characters: Superman, Batman, and Wonder Woman, under a line called "Metropolis" and comics titled "Man of Steel" or "The Man of Steel", "Dark Knight" and "Amazon".[19] However, this proposal was not accepted.[citation needed]