After Medea killed the princess that was married to Jason, she was married with Jason. One day, Medea and Jason were at the beach and a ship timber fell on Medea's head. Then Medea died.
Jason
It sounds like you're thinking of Medea, though she wasn't a goddess. However when Jason decided to marry a princess instead Medea was furious, she poisoned the princess and her father (i.e. the king) and killed her own children - in order to cause Jason maximum pain.
Jason married Medea in Greek mythology. However, while married to her, he engaged himself to another princess. Medea killed her, and rode away on a chariot pulled by dragons.
Madea
No, Mrs Voorhees was Jason's mom before she was killed.
Medea
Medea married Jason before she was abandoned for Glauce, the princess of Corinth. She famously took revenge by poisoning Glauce and her father and then killing her two children by Jason.
Medea.
Medea
Medea was very upset, because she had fallen in love with the hero, Jason, and said that she would help him as long as he married her. He agreed. Then, in Corinth, Jason abandoned Medea and instead was going to marry the princess of that land. Angered, Medea gave the princess a poisoned cloak. Medea also killed the two children that she had with Jason, although the reasons why vary between sources.
Medea
You can stream the movie "Medea" where Jason betrays Medea on platforms like Amazon Prime Video, Google Play Movies, YouTube, or Apple iTunes. You can rent or buy the movie on these platforms to watch the story unfold.