What is the "universe" featuring 25 playable characters in the first-person shooter video game "overwatch", published by Blizzard Entertainment?
characters of the "Overwatch"
Title: Sombra (Overwatch)
Passage: Olivia ""Sombra"" Colomar is a character in the fictional universe of "Overwatch", a 2016 video game developed by Blizzard Entertainment, and the subject of a related alternate reality game (ARG).  Throughout the game's open beta, clues regarding Sombra were placed into a map called Dorado, a fictional town in Mexico.  Hints about Ana Amari were placed into another map at the same time, and confusion over the two led initial speculation believed the two were a single character.  The alternate reality game continued through November 2016, spanning official Blizzard videos, the Battle.net forum, websites representing fictional entities in the "Overwatch" universe, the game itself, and the "Overwatch" subreddit.
Title: Characters of Overwatch
Passage: The team-based first person shooter video game "Overwatch", developed by Blizzard Entertainment and released in May 2016, features 25 playable characters (heroes) and a number of supporting characters as part of the game's narrative, which is told through animated media and digital comics outside of the game.
Title: Overwatch (digital comic series)
Passage: Overwatch is an American digital comic series published online by Blizzard Entertainment and republished by Dark Horse Comics' digital service, featuring events surrounding the characters of the "Overwatch" universe.  The title was launched on April 21, 2016, and has continued to be published with no set schedule.
Characters of Overwatch Overwatch (digital comic series)