For fans looking to catch up on the "canon" version before the sequel drops, the I Am Legend (film) - Wikipedia page provides a detailed breakdown of the different endings, and official updates can be tracked on the movie's IMDb page.

I Am Legend 2 Gets Promising Update From Will Smith - IMDb. ... Will Smith confirms that development is ongoing for I Am Legend 2.

. Because the movie does not exist for public consumption, any "fixed" download links or dual audio files you encounter online are likely fraudulent or contain malware. Current Status & Production Details I Am Legend 2 Gets Promising Update From Will Smith - IMDb

: Many YouTube "trailers" for I Am Legend 2 are fan-made "concepts" using AI or clips from other movies.