PLACE 1 tortilla on microwaveable plate. Top with 2 slices bologna, 2 Singles and 1 Tbsp. salsa. Repeat layers; cover with remaining tortilla. Cover with plastic wrap; fold back 1 corner to vent.
MICROWAVE on HIGH 2 to 4 minutes or until heated through, rotating plate after 2 minutes. Let stand, covered, 1 minute.
CUT into 8 wedges to serve.