[2] Marvel Entertainment's chief creative officer Joe Quesada stated that company was embracing their roots with the creation of this new comic book line.

[3] The relaunch began in September 2017 following the conclusion of the Secret Empire and Generations storylines with the release of a 50-page one-shot titled Marvel Legacy #1.

[2][4] Writer Jason Aaron and artist Esad Ribić collaborated on the opening issue and laid the narrative groundwork for the line.

[4] Quesada teased the cover artwork for the opening issue,[5] hinting at the possible return of Bruce Banner as Hulk and Tony Stark as Iron Man, Thor Odinson reclaiming Mjolnir, and the appearance of other superheroes in their classic costumes.

[5][6] Marvel included three-page primer stories in select Legacy titles to provide background information on their characters for new readers.