The Green Mask #11

High school students Johnny, Gail and Danny decide to explore the \"haunted\" Banshee Cave. A group of saboteurs is using the cave as a hideout. One of the men is injured and their leader, Dr. Baum, decides to use Gail for a blood tranfusion. Johnny, angered, becomes the Green Mask. The Green Mask eventually defeats all of the saboteurs and kills Dr. Baum.