LeBron James, Dwight Howard McDonald's Ad Preview VIDEO Released

In 1993 McDonald's unveiled its famous Larry Bird vs. Michael Jordan "showdown" ad, where the two NBA stars play a high stakes shooting contest for a Big Mac and fries.

A new version of the ad will be unveiled on Super Bowl Sunday, with LeBron James and Dwight Howard competing for delicious Golden Arches goodness. McDonald's released the first 15 seconds of the commercial today.

Scroll down for video. Which is better: new or old?