Blizzard uses the comic series, along with animated media, fictional news reports, and online character biographies, to develop the narrative of Overwatch, as the video game includes no traditional story or campaign mode.

[1] Instead, Blizzard opted to develop the story and lore of the Overwatch universe through a transmedia storytelling method, including animated shorts and comic titles.

[5] On April 21, 2016, Train Hopper, headlining the cowboy character McCree, became the first Overwatch comic title released by Blizzard.

[10] Although Blizzard initially announced six comic issues to be released,[4] they published Legacy, featuring Ana in July 2016.

[14] As a result, access to this issue was made unavailable in Russia, to avoid legal conflict with the country's gay propaganda law.

[5] In the cancellation announcement, Michael Chu detailed that "the original idea for the graphic novel dates back to the early days of the game's development and came from our desire to tell the story of the founding of Overwatch during the Omnic Crisis.