The DLC for MUA3 can only be purchased via a single Expansion Pass (approx. $20), rather than individual packs. The pass came in three waves:
The NSP (Nintendo Submission Package) file format is a proprietary container used by Nintendo for digital distribution on the Switch. It's essentially a package that holds all the multiple files and data required to install and run a game or its associated content. When you download a game like MUA3 from the Nintendo eShop, you are essentially obtaining an encrypted NSP file that is directly installed to your console's internal storage or microSD card. Marvel Ultimate Alliance 3- The Black Order NSP...
: Content patches, such as the Fantastic Four or X-Men packs, are distributed as separate NSP files that merge with the base game ID upon installation. Core Gameplay Mechanics The DLC for MUA3 can only be purchased