Malekith : You think you can stop this? The Aether can not be destroyed!Thor : But YOU can!
Read more Thor QuotesFrom: Thor: The Dark World (2013)
Every 5000 years the worlds align, allowing an ancient darkness to strike...
Sif : I've got this completely under control!Thor : Is that why everything's on fire?
It's a different world. Maybe they were different for a reason...