Captain America: Civil War

After the events of Avengers: Age of Ultron, another international incident involving Captain America and the Avengers results in collateral damage, prompting politicians to form a system of accountability and a governing body to determine when to call in the Avengers, which results in the fracturing of the team into two opposing factions–one led by Captain America who wishes to operate without regulation, and one led by Iron Man who supports government oversight–while they attempt to protect the world from a new enemy.