The amulet of Apophis took control of Johnny Thunder, and in turn his powerful genie Yz. The Justice Society of America had to battle him during World War 2, in the end succeeding by having to kill Johnny.
From – Injustice Gods Among Us Year 0 #4
The amulet of Apophis took control of Johnny Thunder, and in turn his powerful genie Yz. The Justice Society of America had to battle him during World War 2, in the end succeeding by having to kill Johnny.