When Overwatch was first pitched more than a decade ago, a number of Blizzard employees told me, it was not pitched solely as a team-based hero shooter--it was pitched as a universe. Over the years, Blizzard has exemplified this idea by expanding the game's story through comics, animated shorts, and more, ultimately creating the vibrant, superhero-inspired world we know it to be today. Now, a decade after the game's initial release, we're finally seeing that universe expand in an even larger...