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No further information was released, although at first glance it appears to be drawn in the same style as the Luminary teaser, so perhaps this is a team book or shared universe story.
There was a character called Recluse created by Chris Yost and Marcus To, who also had long claws, in the pages of DC Comics’ Red Robin. The characters are, in all other ways, dissimilar and since lengthy claws are not a surprising thing to associate with a character named after a deadly spider with absurdly long legs, it’s safe to assume there’s no connection there.