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.