The climactic conclusion of Overwatch: Tracer--London Calling! Tracer must stop Kace from enacting a destructive plan that will harm humans and omnics alike, all while helping Iggy escape from his clutches. Luckily Tracer won't be alone—heroes come in all shapes and sizes. Some are metallic...and others are old friends!

Tracer struggles to plan her next move after a friend patches up her chronal accelerator. In the Underworld, an assassination attempt is made on Kace, further fueling the omnic rebellion. Acclaimed Eisner and Harvey award-winning writer Mariko Tamaki (This One Summer, X-23) and kinetic artist Babs Tarr (Batgirl, Motor Crush) tell a Tracer tale in collaboration with Blizzard Entertainment.

As D.Va and the rest of MEKA Squad watch the Null Sector attack unfolding in Paris, D.Va requests permission to contact Overwatch. Korea has its own omnic threat to worry about though, so her request is denied. But when a new enemy turns the streets of Busan into a battlefield, MEKA Squad find themselves outnumbered . . . and out of time. Will wave after endless wave of omnics prove too much for even D.Va to defeat? Untold stories in the world of Overwatch! Made in close collaboration with the game team at Blizzard! Unveils how popular heroes were recruited to Overwatch!

As Tracer searches for parts to repair the omnics' grid, she attracts the attention of two very different omnic leaders: Kace, who distrusts humans, and Mondatta, who dreams of human-omnic equality. But at his London rally, Tracer discovers just how fragile Mondatta's dream is. Acclaimed Eisner and Harvey award-winning writer Mariko Tamaki (This One Summer, X-23) and kinetic artist Babs Tarr (Batgirl, Motor Crush) are joined by exquisite colorist Rachel Cohen (Snotgirl) and letterer extraordinaire Deron Bennett (Tale of Sand). Working in close collaboration, Blizzard Entertainment and Dark Horse Comics present fans and players with an exciting new addition to Overwatch's expanding story!

Overwatch may be disbanded, but Tracer's time in "retirement" is up . . . After a punk-rock omnic named Iggy shows Tracer the dire living conditions forced upon London's omnics, Tracer vows to help. But things might not be so easy, especially with larger forces sowing conflict between humans and omnics in London. Acclaimed Eisner and Harvey award-winning writer Mariko Tamaki (This One Summer, Wonder Woman) and kinetic artist Babs Tarr (Batgirl, Motor Crush) are joined by exquisite colorist Rachael Cohen (Snotgirl) and letterer extraordinaire Deron Bennett (Tale of Sand). Working in close collaboration, Blizzard Entertainment and Dark Horse Comics present Overwatch fans with an exciting new addition to Overwatch's unique universe! Collects Overwatch: Tracer--London Calling #1-#5.

Dr. Greg Zacharias, former Chief Scientist of the United States Air Force (2015-18), explores next steps in autonomous systems (AS) development, fielding, and training. Rapid advances in AS development and artificial intelligence (AI) research will change how we think about machines, whether they are individual vehicle platforms or networked enterprises. The payoff will be considerable, affording the US military significant protection for aviators, greater effectiveness in employment, and unlimited opportunities for novel and disruptive concepts of operations. Autonomous Horizons: The Way Forward identifies issues and makes recommendations for the Air Force to take full advantage of this transformational technology.

Cole Cassidy sets his sights on the north, hoping to recruit the strength of RDF agent Zarya to the new Overwatch. He finds her embarking on a last-ditch effort to rescue her hometown, caught in the path of the Siberian Omnium. With the RDF retreating and omnics swarming in from all directions, can Cassidy and Zarya win the day? Untold stories in the world of Overwatch! Made in close collaboration with the game team at Blizzard! Unveils how popular heroes were recruited to Overwatch!