The conversation between human and AI assistant.
In The Avengers, how does Thor return to earth, given that in Thor, he destroyed the Bifrost Bridge (the wormhole which makes inter-planetary travel possible) at the end of the movie?
In the Thor movie, he destroys the Bifrost Bridge at the end. So, in The Avengers, how does he return to earth?
In The Avengers, it is shown that Loki has made a deal with aliens known as the Chitauri. They have a device that can transport people between worlds. Thor uses this device to travel to earth.