The Asgardians are a race of human-like beings who live in the realm of Asgard. They possess highly advanced technology and knowledge of magic.
In the movies
War against Jotunheim
With the Casket of Antient Winters the Frost Giants intended to freeze the other world into submission with the artifact's limitless magic.
Odin and his armies engaged them on Earth where they were starting their invasion and after a fierce campaign the Asgardians were the victors.