This review may contain spoilers. I can handle the truth.
There are a LOT of things wrong with this film. It's an enjoyable film don't get me wrong, but there was more than a handful of disappointing moments. The fact that The Hulk suddenly decides to not attack his 'team' is really not explained, and had every person I watched it with very confused.
There is also a very needless scene where Loki is in Germany, for no real reason, other than to get some very obvious Hitler references from…
Many creative liberties were taken from Frank Miller's original comic, somewhat unusually when considering its acclaim. Also, the animation had far more Japanese influence than it did Frank Miller's.
Clearly, rather than please the fans of the original book - it tries to maintain the audience of the recent film trilogy. For example, there's an early scene in which Batman uses 'fear gas' on Harvey Dent's henchmen in which they suffer nightmarish hallucinations. These hallucinations don't appear in the original…