Final answer:
The verse that promises someone who will crush the serpent's head is found in Genesis 3:15. This verse is often interpreted as a prophecy about Jesus Christ.
Step-by-step explanation:
The verse that promises someone who will crush the serpent's head is found in Genesis 3:15. In this verse, God is speaking to the serpent after Adam and Eve have eaten the forbidden fruit. God says, "And I will put enmity between you and the woman, and between your offspring and hers; he will crush your head, and you will strike his heel." This verse is often interpreted as a prophecy about Jesus Christ, who will ultimately defeat Satan.