Often has Tamil dubbed versions available for rent or purchase.
Since Disney owns Marvel, Civil War is available on in multiple languages, including Tamil. You can download the movie legally within the app for offline viewing (requires a premium subscription). Civil War -2016- Tamil Dubbed Movie Download isaiDub
Searching for "Civil War 2016 Tamil Dubbed Movie Download isaiDub" typically leads to unofficial piracy websites like Often has Tamil dubbed versions available for rent
According to various online sources, the Tamil dubbed version of "Civil War" has been downloaded thousands of times from isaiDub and other similar platforms. The movie's popularity can be gauged from the following statistics: Civil War -2016- Tamil Dubbed Movie Download isaiDub