In Robot Chicken DC Comics Special III: Magical Friendship, in the Robot Chicken DC Universe Batman reveals to Robin that he created a Batarang entirely out of Kryptonite which he planned to use to kill Superman if he ever turned evil as one of the many methods he developed to deal with members of the Justice League if they ever turned evil. Later in the special, Batman stabs the Kryptonian-half of Composite Superman's shoulder with the Kryptonite Batarang to weaken him enough to allow Superman to defeat him with a punch to the groin.