How Thor Can Summon the Bifrost After the Destruction of Asgard: A Deep Dive into the Marvel Cinematic Universe

In the vast and dynamic universe of Marvel Comics and its cinematic adaptation, the Marvel Cinematic Universe (MCU), how does Thor summon the Bifrost after the destructive ordeal of the Asgard destruction? This question is particularly intriguing as it revolves around Thor's raw power and his deep connection to Asgardian legacy.

New Power Developing a New Access to the Bifrost

By the end of The Power of the Gods, Thor, as one of the last remaining Asgardians and the newly appointed king, channels the energy of Asgard and the cosmos. This new ability allows him access to the Bifrost, a powerful intergalactic energy conduit. While Asgard had once housed the physical manifestation of the Bifrost, Thor demonstrates that the Bifrost's power extends beyond its physical structure.

Bifrost: A Dimensional Energy Transport System

The Bifrost, in its essence, is a dimensional energy transport system. It doesn't depend on a specific structure like Asgard. The Bifrost's potential was evident when it was rebuilt after being destroyed in the battle with Loki. Moreover, Bifrost is not exclusively linked to Asgard; its energy can be harnessed by any Asgardian endowed with sufficient power, such as dark magic.

The Bifrost can be formidable, capable of destroying planets with concentrated energy. Only the most powerful and skilled dark magic users of Asgard could wield this energy, leaving them exhausted post-use.

Accessing the Bifrost

The Bifrost can be accessed through two primary means:

Using Objects: Items like the Rainbow Bridge and the Stormbreaker, Thor's legendary hammer, can be used to call down the Bifrost. Dark Magic: Asgardians with exceptional dark magic abilities, such as Frigga and Heimdall, can access this energy. Heimdall, for instance, speaks the line, "You must be using a lot of dark magic just to check in on me," before sending the Hulk to Earth via the Bifrost.

Heimdall's authority and ability to control the Bifrost were further demonstrated in What If... Thor Were an Only Child, where Frigga is seen using dark magic to communicate with Thor, suggesting her proficiency in utilizing Bifrost energy.

Using Stormbreaker to Summon the Bifrost

The key to accessing the Bifrost has evolved over time. Initially, Asgardians used the Rainbow Bridge or Heimdall's Hofund sword to trigger the Bifrost. With the destruction of Asgard, this mechanism no longer works. However, as seen in the Battle at Wakanda (from Avengers: Infinity War and Avengers: Endgame), Heimdal the Dwarf revealed that Stormbreaker could 'theoretically' summon the Bifrost. This statement was proven true when Thor uses the Bifrost to travel to Earth during the Battle of Wakanda.

This discovery marks a significant shift in how the Bifrost can be accessed, showcasing Thor's extraordinary power and his deep bond with Asgard's legacy.