Twist: The iSAIDUB repack is actually a test created by the Guardians to see if Earth's viewers are worthy to learn the secrets of the cosmos. The subtitles are encoded messages that only those with pure intentions can decipher. The antagonist is someone who has already cracked the code but is misusing it.

Potential scenes: A scene where the protagonist, while watching a specific battle scene in the movie, gets a vision or a power boost from the subtitle. Or a chase scene where the antagonist wants to steal the repack, and the protagonist uses the subtitle powers to fight back.

I should also consider the theme. Maybe it's about collaboration, as sub dubs bring different viewers together. Or it could be about the power of language and communication transcending barriers. The Guardians of the Galaxy are a team of misfits, so maybe the story's protagonist is a misfit who finds a way to belong through the iSAIDUB repack.

Nico’s only clue: *"To stop him, you must