Overwatch's New Hero Might Be Revealed In This Teaser Video

Blizzard has been teasing something new for Overwatch lately, while staying ambiguous about what it actually is. The latest teaser does little to clear up whether we're getting a new hero, map, or something else entirely, but is interesting nevertheless. Taking place in the same back street (believed to be in the King's Row map) as the previous teaser, the six second video shows a large boulder rolling by very briefly.However, on closer inspection it seems there's more to this boulder than initi