Robert Downey, Jr. and Chris Evans both appeared on the November 24 episode of Jimmy Kimmel Live! to promote Captain America: Civil War. They capped off their appearance by premiering the first official footage from the film. Check it out:
Among its many interesting tidbits, the trailer revealed at least one version of Captain America's squad, including Falcon, Bucky, Hawkeye, and Scarlet Witch. Also in the trailer is the first look at Black Panther in action.
The teaser also seems to imply that actions perpretrated by Bucky/Winter Soldier - who has regained his memory - are what lead to the Super-Human Registration Act in the Marvel Cinematic Universe.
Captain America: Civil War hits theaters May 6, 2016.