In 2023-2024, JioCinema briefly streamed older MCU films for free, including Tamil dubs. However, those rights may have reverted to Disney+. Always verify before assuming availability.
In several MCU films, including the later Avengers: Endgame , the Tamil voice was famously provided by actor Vijay Sethupathi . However, throughout most of the standalone films, popular dubbing artist Ravi Shankar has been the consistent Tamil voice for Iron Man. Iron Man 2 Tamil Dubbed