While there are unofficial sites that host NSP (Nintendo Submission Package) files, downloading them is often associated with copyright risks and potential malware
on Nintendo Switch, it is recommended to use official channels like the Nintendo eShop or the built-in system update features. How to Update and Download DLC lego dc supervillains switch nsp update dlc link
Total DLC character count: Over 40 additional characters beyond the base game’s 150+ roster. While there are unofficial sites that host NSP
However, I can offer legitimate advice:
To access the latest updates and DLC for LEGO DC Super-Villains lego dc supervillains switch nsp update dlc link