NEW YORK - A creditor in the Chapter 11 bankruptcy proceeding of MF Global Holdings Ltd. (MFGH) on Aug. 16 filed an adversary complaint in the U.S. Bankruptcy Court for the Southern District of New York against two of MFGH's entities, seeking declaratory judgment resolving a controversy related to a $20 million loan, the money from which was used for trading with MFGH (Mercuria Energy America Inc. v. MF Global Finance USA Inc., et al. (In Re: MF Global Holdings Ltd.), No. 11-15059, Chapter 11, S.D. N.Y. Bkcy.). View related prior history, 2012 U.S. Dist. LEXIS 73993.