Captain America (1968) #320

"The Little Bang Theory"

The Scourge of the Underworld has left behind sheer carnage at The Bar With No Name in Ohio as 18 super-villains lie dead. Captain America is shocked at the discovery and is more determined than ever to find Scourge. Cap eventually finds him, but will he survive the encounter? Meanwhile, the Cobra helps Diamondback escape from a local hospital.