[feedquote='Wing Commander News','http://www.wcnews.com/index.shtml#14136'] Tom Wilsonfans will have another chance to meet the Maniac at the Calgary Comic and Entertainment Exponext month. He'll be in attendance on April 28 & 29. There will be dozens of other celebrities from a wide variety of places, but Back to the Future stars will be out in full force. Mr. Wilson is widely recognized as Biff, but the Calgary Expo website lists both BttF and Wing Commander as his leading credits. That's tha…