Scott Foundas (Variety)
A super-sized spandex soap opera that's heavy on catastrophic action but surprisingly light on its feet, and rich in the human-scale emotion that can cut even a raging Hulk down to size. - Read Full Review

Ann Hornaday (Washington Post)
Whedon stages the literally earth-shattering mayhem with impressive commitment, but the inevitable computer-generated apocalypse has begun to look tiresomely standard-issue by now. - Read Full Review

Helen O'Hara (Empire)
Thanks to Whedon and the most charismatic, compelling cast you’ll find, Age of Ultron redefines the scale we can expect from superhero epics but still fits human-sized emotion amid the bombast. - Read Full Review

Matthew Lickona (San Diego Reader)
Maybe the quips and the punch-ups are there because they have to be, what with the film's steady parade of failure and even death. Plans fail. Character fails. Even sacrifices fail. It's not exactly refreshing, but it is bracing, and even gratifying. - Read Full Review

Ty Burr (Boston Globe)
There are some decent laughs before things turn serious, and the deft timing that has always been one of the sneakier pleasures of this multi-chapter behemoth is in evidence as heroes collide in attitude and physique. - Read Full Review