The Flash Jay Garrick is being controlled by the Joker using an ancient amulet, tearing across the city in a terrifyingly quick rampage. It’s a grim reminder that the heroes of the DC Universe should be thankful that the Flashes are on the side of good.
Confronted by the Silver Age Flash, Barry Allen, and Superman, the Joker decides to kill Jay Garrick by running him straight first into a wall.
From – Injustice Gods Among Us Year 0 #10