Proper noun
Bifrost
(Norse mythology) The rainbow bridge that connects Asgard with Midgard.
After Thanos defeated Hulk in a fight, Heimdall used the Bifrost to send Hulk to Earth, a decision he would pay for with his life. Source: Internet
The Norwegian Åsatrufellesskapet Bifrost formed in 1996; in 2011, the fellowship had about 300 members. Source: Internet