The Disney+ series Loki, which debuted on June 9, 2021, transformed the Marvel Cinematic Universe (MCU) by replacing the 'Sacred Timeline' with a branching multiverse. This narrative shift, following the events of Avengers: Endgame, laid the groundwork for the Multiverse Saga.

The temporal fallout of the Avengers' time travel in Endgame

The transition from the Infinity Saga to the Multiverse Saga was catalyzed by the time-travel mechanics introduced in Avengers: Endgame. While that film concluded the overarching conflict with Thanos, it did not fully address the immediate consequences of characters moving through time to alter history.

As the source explains, the groundwork for this shift was inadvertently laid when the Avengers traveled through time, creating alternate timelines that threatened the stability of reality. This movement directly manifested the temporal dangers that the Ancient One had previously warned Bruce Banner about during the events of Endgame.

How Kang the Conqueror manipulated the Time Variance Authority

The Disney+ series Loki provided the necessary depth to explore these new temporal realities by introducing the Time Variance Authority (TVA). This bureaucratic organization was tasked with monitoring and "pruning" divergent timelines to ensure the survival of a single, "Sacred Timeline."

However, the narrative eventually revealed that the TVA's entire operational premise was built on a deception. According to the report, the organization's mission was actually a lie orchestrated by Kang the Conqueror, the figure who controlled the constraints of the timeline.

Replacing the Sacred Timeline with a branching multiverse tree

The structural rules of the MCU underwent a permanent change following the conclusion of Loki Season 2. Through Loki's ultimate sacrifice, the rigid and singular Sacred Timeline was dismantled and replaced by a sprawling,branching "tree" of countless alternate realities.

This deliberate expansion of the multiverse has enabled Marvel Studios to produce a wider variety of projects set in distinct universes. This shift has moved the franchise beyond the linear storytelling that defned the previous decade of films, creating a more complex and unpredictable narrative landscape.

Will Victor von Doom displace Kang in the upcoming Secret Wars?

The new multiversal structure has introduced the concept of "incursions," which are catastrophic collisions between different timelines. These events are expected to serve as a central plot point in the upcoming two-part Avengers event, comprising Avengers: The Kang Dynasty and Avengers: Secret Wars.

As the source highlights , the introduction of Victor von Doom, also known as Doctor Doom, presents a significant unknown for the franchise. It remains to be seen whether Doom will enter the fray to eliminate Kang the Conqueror,a move that could create a massive power vacuum and further escalate the instability across the multiverse.