Failed film series include 'Speed Racer,' 'The Shadow,' 'Jonah Hex' and more
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20 franchises that never were
Film franchises are a tricky thing. Hollywood loves to jump on bandwagons, and every time a book series is turned into a "Harry Potter"-sized juggernaut or an old TV show becomes the basis for a megahit like "Transformers," the studios begin scouring previously published material for potential franchises. However, for every "Batman" or "Twilight," there's a "Jonah Hex" or a "Sahara." Here, we take a look at 20 potential franchises that stalled after just one film.
Pictured: "The Adventures of Buckaroo Banzai," "The Spirit" and "Speed Racer."