Spray 8-inch square (2-quart) microwavable dish with cooking spray. In medium bowl, mix refried beans, green chiles and crumbled bacon. Spread mixture evenly in dish. Sprinkle frozen corn and black beans evenly over refried bean mixture. Pour salsa over top. Sprinkle cheese over salsa. Crumble remaining 2 slices of bacon; sprinkle over cheese.