Following an exciting first look at the design of Ultron in "Avengers: Age of Ultron," EW.com has released nine new behind-the-scenes photos from the film that feature Captain America (Chris Evans), Thor (Chris Hemsworth), Iron Man (Robert Downey, Jr.), Black Widow (Scarlett Johansson), Bruce Banner (Mark Ruffalo), redesigned costume Hawkeye (Jeremy Renner) and series newcomers Quicksilver (Aaron Taylor-Johnson), Scarlet Witch (Elizabeth Olsen and James Rhodes (Don Cheadle). Also featured in the photos are "Age of Ultron" director Joss Whedon and a close-up look at the cast's costumes. The photos span explosions, the aftermath of a party and -- of course -- "Science Bros" Tony Stark and Bruce Banner.

"Avengers: Age of Ultron" hits theaters May 1, 2015.