The McDonald’s McRib is Back<br /> The cult favorite will return <br />to over 10,000 locations <br />starting October 7. As usual, the barbecue <br />pork sandwich will only <br />be around for a limited time. The McRib was first introduced in <br />1981 and was only successful enough <br />to bring it back occasionally. Alexander Chernev, a marketing professor <br />at Northwestern University, considers seasonal <br />menus to be an “important marketing tool <br />for the food industry.” Alexander Chernev, via CNN Fans can use the McRib locator to <br />check if the sandwich will be <br />available at their local McDonald’s.