You can find the official Tamil dubbed version of the 2008 movie through licensed streaming platforms:
Since there isn't a "Part 2," you can follow Bruce Banner's story through these other Marvel movies, all available in on JioHotstar : The Avengers Download Tamil Dubbed Incredible Hulk-2 Movie.com
While Movie.com might not directly host or provide links to download copyrighted content, it can serve as a guide for accessing or purchasing the movie through official channels or platforms that offer Tamil dubbed versions of movies. You can find the official Tamil dubbed version