Winston, Mercy, Tracer, and Widowmaker from Overwatch HD Wallpaper

Four characters from the game Overwatch are depicted in a promotional art style. From left to right, they are Winston, Mercy, Tracer, and Widowmaker. Winston is a gorilla in a white mech suit, Mercy is a woman with blonde hair and a halo, Tracer is a woman with brown hair and goggles, and Widowmaker is a woman with purple skin and dark hair.