Best Action scenes in the MCU?

Captain America vs. The Winter Soldier in The Winter Soldier (both fights)

Captain America vs. Elevator Hydra Agents in The Winter Soldier

Helicarrier fight scene in The Avengers

Nick Fury vs. Hydra Agents in his car/tank in The Winter Soldier

Captain America and SHIELD vs. Pirates in The Winter Soldier

Prison rescue in The First Avenger

Captain America vs. Iron Man in Civil War

Captain America vs. Iron Man vs. Thor in The Avengers