>>97013598Best of everything, really. It just boils down all the iconic elements of each character into a tight, perfect distilled version.
Take the Robins, for example: All the classic elements are there, they did away with Jason entirely and put his best elements into Tim, so you have the "multiple robins" thing without going overboard with it, they then used the best elements of Jason's death-and-return with the Batman Beyond movie.
Everything is just retouched and redone, a lot of classic arcs retold in animated format, like tons of classic Batman arcs in BTA, lots of great JLA stories retold in Justice League and JLU, same with Superman. It's all very carefully planned and executed. It's a true work of passion by everyone involved, and I'm super glad it exists.