The entire Blade Trilogy has been available on Netflix, often including multiple audio tracks like Hindi.
Most major Hollywood films are available for rent in Hindi on the Google Play Movies/YouTube platform. Movie Fast Facts
You can often find the Blade: Trinity (Unrated) version available for rent or purchase.
Released on December 8, 2004, Blade: Trinity (2004) is the final chapter in Wesley Snipes’ iconic vampire-slayer trilogy. This installment sees Blade team up with the Nightstalkers—played by Jessica Biel and Ryan Reynolds—to take on the ultimate vampire ancestor: Dracula (Dominic Purcell). Where to Watch Legally (India & Global)