Summary Warning: contains spoilers for Absolute Power #1!Batman is known for his exhaustive contingency plans to take down both his allies and enemies. The Dark Knight has custom armor, weapons and gadgets to defeat each of Gotham's villains and all his friends on the Justice League, from a red-sun powered mech to punch out Superman to yellow silicate that can dampen Green Lantern's powers.
While Batman was trying to use the Red Channel to keep the Justice League in contact with one another and set up impromptu teams, the frequency was used to track the Justice League and assign anti-hero strike units. Because Green Arrow joined Amanda Waller, he was able to give her the frequency, and it proved to be a far bigger negative for the Justice League.
Batman's Secret Line to Earth's Heroes Just Set Them up for a Devastating Defeat Green Arrow's Betrayal Allowed Task Force VII to Decimate Earth's Heroes Task Force VII is designed to steal the powers of Earth's heroes and then replace them, now totally under Waller's control. These new Amazos have been designed using the tech of Batman's ultra-powerful robot Failsafe and the new villain the Brainiac Queen. However, their decisive victory - taking out all the heroes in a single swoop - depends on Green Arrow sharing the Red Channel.