Watch some video of Tracer in action and an interview with the game's developers, presumably from Blizzcon.
via N4G: pc news feed http://n4g.com/news/1630182/overwatch-new-gameplay-and-dev-interview-videos
via N4G: pc news feed http://n4g.com/news/1630182/overwatch-new-gameplay-and-dev-interview-videos