"The Making of Overwatch" - video series by IGN that show how Blizzard turned their failure into success and what are company plans for the future of the game. The video series consist of 3 parts:
The first part will tell us about how the failure of Titan gave rise to Blizzard's next big game:
The second part will tell us about the story behind the Overwatch universe:
The last and third episode will explore the design decisions that Blizzard made:
IGN was not the first to put up such amazing video series on how Overwatch was created. If you would like to know more about Overwatch and how it was created, check these video series made by Gamespot.