Ok, it does not need to be negative, can be some thing people would of liked to have seen, or a nit pick,
I watched it in 2d, but i heard people didn't really like the 3d
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i personally loved the movie myself, but i couldn't get over how goofy cap looked at times with his helmet, or cowlmet, it just wasn't sleek enough. i was happier with the scenes when he wasn't wearing it, the wig looked better IMO, lol.
And i didn't understand fully the relationship between Hawkeye and black widow, which more time was given to that, and a better explanation to hawkeye no longer being possessed, but that could be down to timing, the movies running length was fine, any more might of been over kill