DC Universe's Swamp Thing was abruptly canceled last week.
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Business Insider reports a three-season arc was discussed on-set.
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Prospects of even more seasons, as well as spinoffs, were also reportedly thrown around.
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Those sources specifically named Justice League Dark as a possible team-up series.
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The Justice League Dark is a DC team that specializes in the supernatural.
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Notable members include Swamp Thing, John Constantine, Zatanna and Deadman (among others).
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BI's sources also claim the show's crew were as surprised as anyone over the cancellation.
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Despite Swamp Thing's first season being shortened, those sources had high hopes for the future.
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