Steve Skeates (writer), Paul Reinman (artist)
From T.H.U.N.D.E.R Agent #13 - 10 pages - The Mold-Master is the mysterious man who created an android replica of Davey Jones in an earlier adventure. He is back and recreating all the players in Atlantis, including the base itself. He takes Davey Jones and Skooby prisoner.
Here are the pages I have of it.