14 Simple Fixes That Could Have Made Suicide Squad Awesome

The Problem

There are no shades of morality (other than Scott Eastwood being a good guy), so the "bad guys" end up being dragged into anti-hero territory rather than remaining villains. Thus, the script repeatedly requires them to tell the audience OUT LOUD that they're the bad guys, because it's way too easy to forget that.

The Solution

Bring in a hero, but crucially make him alienated and make damn sure he's got an inbuilt reason not to immediately go to Batman to tell him about the Squad's existence. In short, make him Nightwing.

The lore to introduce him was right there: Robin was established in Batman v Superman (and not only that, it was Jason Todd, so the implication is that Dick Grayson at least exists). And then there's the ready built assumption that he and Batman are estranged, since he didn't show up to help in BvS: it wouldn't be difficult to say they fell out over Todd's death, and that Nightwing disagrees with Batman's approach to superheroism.

Having Nightwing there as an overseer - even if he only encounters the Squad in a single scene - not only means you get a fan favourite in the DCEU, it also introduces the other moral extreme that the film needed. There was nothing for the "bad guys" to bounce off other than other evil, and having a good guy in the mix would have cemented them more firmly as villains without having to constantly reassure themselves.

And then having Nightwing realise at the end that they are a necessary evil who Batman didn't need to know about would have fit without having to imply either than Batman knew about them and did nothing, or that he wasn't actually smart enough to work it out despite Enchantress destroying military targets around the US and in space.