It has great jokes, funny voice actors, a lot of playfulness with Batman lore (and blockbusters, in general). But... it just made me tired, the constant barrage of quips and visual bombardment, the obligatory heartfelt message. All very nicely done; not sure I needed to see it.
Aaaaaah, I loved it so! much! This is basically the Star Wars prequels done right: wonderful world-building, great use of digital apparatus. I was in straight from the opening scene, but when, in the middle of the movie - and in the middle of a long-ass detour which was unnecessary in relation to the main plot, but absolutely vital in relation to my enjoyment -, a certain indie darling actor suddenly showed up as a leering pimp to the beats…