Waves of parademons attack and Earth's main super-heroes band together in defence somewhat reluctantly (because they don't like each other).

This animated movie tells a very simple story of a huge but unfocused invasion, fought off by well-known superheroes and Cyborg. There is some origin stuff (including Cyborg), but not enough given that these are the New 52 versions of the characters. And that means that Superman is not a character of humility and nobility, he's a brash young man driven by impulse. Wonder Woman is not a character of gravitas and depth, she is shallow and temperamental. Cosmic policeman Green Lantern, responsible for a huge sector of the galaxy, is a trivial smartar$e. And so on. These are not the characters many viewers will be expecting to see, and they needed more explanation.

The film, which has virtually no substance behind the almost non-stop action, is a wonderful example of just how misconceived DC's New 52 reboot was: just about everything which made its characters so iconic has been abandoned and replaced with something not as good. At a stroke, overall quality has been diminished by a material amount.

Lamentable.