ALLIED SUPERMARKETS <ASU> FILES PROPOSED MERGER Allied Supermarkets Inc said it filed a registration statement with the Securities and Exchange Commission for a proposed merger with <The Vons Companies>, a supermarket, combination store operator. Allied said the statement covers 140 mln dlrs of senior subordinated discount debentures and 100 mln dlrs of subordinated debentures, principal amounts, with a proposed aggregate offering price of about 100 mln dlrs for each issue. Drexel Burnham Lambert Inc and Donaldson, Lufkin and Jenrette Securities Inc are co-underwriters of both issues, which Allied expects to offer in early June, Allied said.