"The Suicide Squad: Task Force X"

Task Force X AKA The Suicide Squad is a group composed of mainly villains (mostly of Batman) who are formed by the government to take own suicide missions. In this story, the Suicide Squad, newly reformed, are on a dangerous mission to secure information from The Scarecrow regarding a weapon capable of covering the entire Northern Hemisphere in a dangerous gas known as Element Y (A toxic gas which can kill anyone in seconds), created by an original villain known as Bluestocking. The roster for this Suicide Squad are Harley Quinn, Bane, KGBeast, Firefly, David Cain, Deadman (but he mostly takes control of a dead guard of Bluestocking) and Question. However, things take a turn for the worst when Roman Sionis AKA Black Mask decides that he wants to sell this weapon on the Black Market to sell for millions and so he and his men try to interrupt the mission.