Get your first look at Ultron trying to tear apart Captain America, Iron Man, Thor and the rest of the world in the first official teaser trailer for Marvel's "Avengers: Age of Ultron," in theaters May 1, 2015!

"Marvel makes cinematic history as it unites the Super Hero team of a lifetime. Iron Man (Robert Downey Jr.), Captain America (Chris Evans), The Hulk (Mark Ruffalo), and Thor (Chris Hemsworth) assemble together for the first time ever in this epic, action-packed blockbuster alongside Black Widow (Scarlett Johansson), Hawkeye (Jeremy Renner) and Nick Fury (Samuel L. Jackson). Director Joss Whedon creates an unprecedented masterpiece that has become a global phenomenon. Packed with spectacular visual effects, Marvel's The Avengers will blow your mind!"