- Build-up to Ultron, like many said, never really drove his threat home. The twins contributed hugely to the Avengers not kicking his butt sooner, as did Hulk going berserk (again, the Scarlet Witch, not Ultron, did that).
- The beefing up of the good guys with the defection of the twins and the creation of Vision utterly undercut any remaining menace Ultron could've posed. While Ultron had his minions, they were dime-a-dozen stormtroopers, and the end felt like jocks of high school all getting together to beat up the nerd. Couldn't bring myself to root for the jocks. The Week of Ultron would've been a better subtitle.
-
SNT1 mentioned the Eastern accents of the twins as a plus. I'm going to go on a limb here and demand that Hollywood starts bastardizing English accents into lumps that have no character, no authenticity, and always denote a villain or a person of incredible suffering, like they'd fallen off the beet-truck.
- The farm interlude was boring. This movie, like
Pacific Rim, relied on eye/ear-candy and/or jokes. Don't let the pace slip into coma while dealing with Hawkeye's family.
- Whedon's random deathflags were hilarious; he set up so many characters to die but didn't kill them, that this game alone added to the entertainment value of the movie. That he ended up killing Quicksilver was, in retrospect, sensible, because he was ambiguous intellectual property.