which was a major departure from the Batman suit in the comics at the time. Rather than being a simple gray and blue outfit, Keatons Batman suit was comprised of heavy armor, and its black color ...

1989’s Batman overhauled Batman’s iconic costume. Batman’s famous gray bodysuit and blue cape and cowl were replaced by a bulky armored suit whose color scheme was – aside from its yellow ...

In the comic, The Brave and the Bold Batman is indeed in a blue-grey suit with trunks, and I would not expect Gunn to change that much. That said, he said previously that Superman has trunks ...