Arrow aired its season premiere this past Tuesday.
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The episode contained a surprising Easter egg...
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...which showrunner Beth Schwartz credits to Batwoman.
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The Easter egg was Batman's cowl on the pike that held Deathstoke's mask.
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According to Schwartz, Batwoman made it possible for the series to make more Batman references.
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Arrowverse references to Batman were previously limited by Warner Bros. and DC Comics.
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Co-writer Marc Guggenheim also praised FX business Zoic Studios...
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...for seamlessly incorporating Batman's cowl into the original footage of Arrow's pilot episode.
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