The Avengers reassemble to battle the sentient robot known as Ultron.
Avengers Age of Ultron - Trailer
Avengers Age of Ultron - Trailer 2
Avengers Age of Ultron - Trailer 3
Avengers Age of Ultron - Trailer 4
Avengers Age of Ultron - Clip 1
Avengers Age of Ultron - Clip 2: 'Hulkbuster vs Hulk'