In January 2021, Tommy Andreasen mentioned the script for the season on Twitter and said that fans would have to wait until 2022 for the season to be released.[1] The Lego Group released several preview clips on its official YouTube channel leading up to the season's premiere, including an official teaser on 29 April 2022, and an official trailer on 20 May 2022.[34][35] In a France TV Pro press release for the season, which was released in May 2022, an official season poster was revealed that drew comparisons to the design of the theatrical release poster for Avengers: Endgame.[36] The season was scheduled to premiere in France on 6 June 2022.[37] The first twelve English episodes were released online on The Lego Group's YouTube channel on 20 May 2022, with viewing restricted by region but were removed three days later with no explanation,[38] but were made public again on 1 June 2022.