Hera never died - she was (is) immortal. Some think that she is still around today.
Hera never died because she is a goddess and god/goddess can never die. They are immortal.
Cronus, the father of Hera and Zeus, was driven into the Tartarus Pit by Zeus, Hades, and Poseidon.
She's a god, they are immortal. Which means they can't die.
No she's immortal
God of War - Gameplay - Part 43: Necklace of Hera