When you have so many people operating at their peak, the results are going to be magical.
As for the film, this is one that goes beyond the Marvel/DC war. As a standalone film, it works as a remarkable showcase for what comic book films can be like.
In my opinion, Heat is one of the best crime/action films I’ve ever seen. Apart from the opportunity to see two of the finest actors of all time share screen space, we get some absolutely tense and nail-biting sequences. This includes one of the best shootouts in movie history.