Personally I generally find superflous bits of scenery a bit of a waste, so I like the sets as they are, though I understand your viewpoint.
I'm also sad to see so many people hatin' on the truck, I love that SHIELD truck :P I just think it's really cool, the Helicarrier SHIELD Jet too, but maybe because I've been out of Lego for years and Loki's Cosmic Cube Escape was my first new build since 2005. I also love Hawkeye's minfig, but then I loved the design in the movie, since it echoes his Ultimates suit. While he's not ginger (in the film or comics) I somehow think it fits the minifig well. I do wish Loki's body had been black instead of grey though. Lego seems very black-phobic these days, TDKR Batman was grey instead of black, ditto War Machine and Bane's mask. While Batman and Bane look good (probably better than they might) with the changes, I think War Machine looks far too much like Mk II Iron Man in grey (even though WM is more of a darker grey than true black, he's still a darker tone than Lego's grey).
p.s. apologies for not capitalising LEGO but too lazy and tired to change it right now.