It was originally scheduled to open on July 18, 2020 as part of the Disneyland Resort's 65th anniversary celebration;[2] however, it was delayed to June 4, 2021 as part of the park's 20th anniversary celebration, since the opening was postponed indefinitely following the closure of the park due to the COVID-19 pandemic.
A Marvel-themed land was slated for Disney California Adventure at the Disneyland Resort replacing A Bug's Land.,[3] and will be located behind Guardians of the Galaxy - Mission: BREAKOUT!; it was speculated that the land will also take over the area of Hollywood Land where "Mission: BREAKOUT!" is located.
Details were non-existent. No info about what the attractions would entail or where they would be located. Eventually Disney released posters for the all of the Marvel lands including Disneyland's.