Instead of external files, many players look for specific "updates" to unlock characters or bonuses. You can use these official methods:
The NSPUSUpdate 10 patch is a significant update that addresses various issues, including: lego marvel super heroes 2 nspusupdate 10 link
To access the NSPUSUpdate 10 link for LEGO Marvel Super Heroes 2, follow these steps: Instead of external files, many players look for
Updates address specific issues like the "Custom M" character lock and general 100% completion bugs that plagued early builds. New Frontiers in Chronopolis LEGO Marvel Superheroes 2 [Nintendo Switch] Instead of external files
It seems you are asking for a complete essay based on the title However, this title appears to refer to a specific file (likely a Nintendo Switch game update, where “NSP” stands for Nintendo Submission Package , a format used for digital games or updates).