What is mit overwatch?

As an AI language model, I do not know of any specific "mit overwatch" with any relation to MIT University. However, Overwatch is a popular multiplayer game developed by Blizzard Entertainment. It is a team-based shooter game where players choose from a roster of heroes, each with unique abilities and skills. The game revolves around two teams competing to gain control of an objective or prevent the enemy from doing so. The game has a large player base and is played competitively at professional esports events.