Complex sentence: In the dream Superman is made to fight his cousin Supergirl to the death or watch as they destroy earth, luckily for superman these events were only dreams although it has been hinted that Saturn queen could have been the one to induce these images.
Split into simpler sentences: In the dream Superman is made to fight his cousin Supergirl to the death or watch as they destroy earth. While they are only dreams it has been hinted that Saturn Queen could have been the one to induce these images.