CUT bread in half horizontally. Scoop out bottom and top, leaving a 1/2-inch thick shell.
COMBINE oil, green olives, ripe olives, parsley, oregano, pepper, crushed red pepper flakes, lemon juice and garlic in medium bowl. Stir to mix well.
SPOON half the olive mixture into bread shell. Top with salami, cheese, roasted red peppers, pepperoni and the remaining olive mixture. Cover with bread top. Wrap tightly in plastic wrap and chill at least 3 hours or overnight. Cut loaf into wedges. Serve.