VIDEO : Comic-Con Launches With 'Star Trek' Premiere

Comic-Con International has begun, and fans from all over have traveled to San Diego to celebrate their favorite shows and franchises. The convention kicked off Wednesday with a preview night in which attendees with four-day passes had first pick of collectibles and photo opportunities. Wednesday night, the highly anticipated sequel "Star Trek Beyond" premiered outdoors in Imax. The convention is expected to draw more than 160,000 fans.