Captain America 3: Civil War - Captain America Pop! Vinyl
“Sorry, Tony. You know I wouldn't do this if I had any another choice. But he's my friend."
After the events of Age of Ultron, another international incident involving that Avengers results in huge collateral damage, prompting politicians to form a system of accountability and a covering body to determine when to call in The Avengers. This results in the team fracturing in two opposing factions, one led by Captain America who wishes to operate without regulation and one led by Tony Stark who supports government oversight.