Midwest Bank has filed a foreclosure lawsuit to collect about $650,000 on Mr. Beef, the longtime Italian beef sandwich restaurant in River North. The Melrose Park-based bank alleges that Mr. Beef's co-owners, Joseph Zucchero and Michael Genevese, failed to pay off two loans, totaling $330,000, when they came due in October, and missed monthly payments on a third loan, according to a complaint filed Dec.