Superman's bedrock trait, the thing that makes him Superman, the idea that created him, is that his entire purpose is protecting people. You can make a story where Superman does the right thing, but can't save everyone. Hitman #34 may be the best Superman story ever written, and is about his remorse over fucking up. This the failed shuttle rescue does not immediately end with him making out with Lois Lane. If you want to tell that story, go ahead. That's not the story MoS wanted to tell. The centerpiece of that story was about two super powered guys full of rage leveling a city with no remorse. Superman gets upset because he has to break some moral code, but he doesn't give a fuuuuuuuck about leveling the city. If Garth Ennis of all people still gets that Superman is about protecting people and embodying goodness, then maybe you should be able to get it to.
Getting past all the butthurt over MoS, Avengers: AoU was good. Character motivations are weak, the romance sublot felt forced, and they probably needed like another 20 minutes to the runtime just to let the existing content breathe more. Aside from those issues I think it's a massive improvement over the first Avengers. We get more time getting to know each character, including that awesome party scene. Hawkeye actually has stuff to do. While I long ago wrote off movie Hawkeye being nothing like Fraction Hawkeye, his pep talk with Scarlet Witch and then talking to himself after Quicksilver zooms off really felt like nods to Fraction's style. I really dislike Whedon most of the time, which turned me off a bit for the first Avengers. Hearing people complain about Whedonisms in this movie is weird to me since I found them much more tolerable. I think because the Witty Whedon Quips only showed up in battle scenes, where as in the first Avengers (and everything else he touches) it's the only way people are able to talk to each other. AoU was also a slight improvement in cinematography on the first, but not by a lot. Whedon is just a really boring director. Hulk in the Quinnjet is the only remotely interesting shot I can remember and it's not even a complex or innovative one. It was just framed really well. I'm really glad to be done with Whedon, especially after he basically just ignored all the post Avengers character development just because it happened in movies he didn't direct.
I wasn't really sold on Spader as Ultron since he wasn't a scary robot, even though I love Spader. When they talked it the tanker scene and it finally clicked he was just supposed to be Evil Tony Stark, I realized the Spader casting was genius. Also, tons of really great fodder for all the Steve/Tony shippers on tumblr. I really hope Civil War is actually just the New Avengers so they can get some screen time before we inevitably go back to the main cast for Infinity War.
Finally, someone decided to change the lighting on that picture of the awful looking Suicide Squad cast so you can see them better.

This lets you see a lot more detail on these goobers. Deadshot looks neat with the mask so he's not just some paintball enthusiast. Flag and Slipknot look like generic PMC/Private Security, which is fine but boring. Everyone else looks pretty dumb. Pretty excited for these few vibrant colors to disappear again once the movie is out and gets a near monochrome color wash like MoS.