Four days after the release of Mercury – Act 1, the band announced that they would embark on a 17-date North American tour, beginning in early February and stretching to March.

On December 14, 2021, the band announced twelve Canadian tour dates with AVIV serving as the opening act.

On March 25, 2022, the band announced a second North American leg of the tour, with Macklemore and Kings Elliot serving as opening acts.

However, on October 17, 2022, just one day before they were set to begin, the shows were postponed due to health issues with lead singer Dan Reynolds.

On November 25, 2022, Live Nation Entertainment announced an additional number of performances in Europe, extending the tour up to September 10, 2023.