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An unused rendition of the Marble Zone theme can be found in the game's ROM, suggesting that the Genesis version's Marble Zone was planned to be included in the Master System version at some point.
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The Master System version of Sonic the Hedgehog was the final game released for the platform in North America. It was released in November 1991, a few months after its Genesis counterpart.
GamePro magazine Issue #29 (December 1991) (page 110 in the magazine):
https://retrocdn.net/images/7/77/GamePro_US_029.pdf
Sega Retro's chronology of Master System games in North America:
https://segaretro.org/List_of_Master_System_games_in_the_United_States#cite_note-:File:GamePro_US_029.pdf_p112-58
https://retrocdn.net/images/7/77/GamePro_US_029.pdf
Sega Retro's chronology of Master System games in North America:
https://segaretro.org/List_of_Master_System_games_in_the_United_States#cite_note-:File:GamePro_US_029.pdf_p112-58
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