Comic Wars, p.270 - "Handler's Key discovery, however, was that Marvel's original, cheap sale of the rights to (Menachem) Golan and his cousin had never been properly registered. There was no record of the 1985 agreement or the 1990 extension at the U.S. Copyright Office, and under Bankruptcy law - as she successfully argued in court - "an unperfected interest," any interest that is not registered and absolute, must be returned to the bankrupt estate. Handler felt she has exposed a stupid omission by movie studio lawyers."
