Marvel releases a new trailer today for the upcoming movie Captain America: The Winter Soldier. In this film, Captain America finds himself in the midst of uncovering a huge conspiracy while adversity plans to stop his moves. Scarlett Johansson returns as Black Widow and Anthony Mackie is introduced as Falcon. The main villain will be Winter Soldier, played by Sebastian Stan, who is shown in this clip to be a worthy opponent. Captain America: The Winter Soldier is set to release in Spring of 2014. Watch this trailer above.