Who'd win in a straight up confrontation, 1 versus 1.
Char Aznable and his red Zaku, or Evil Coop and Negas
The answer is Batman because the writer will fanwank over Batman being just so fucking awesome and the bestest superhero ever that he'll find a way to beat Goku because hurr planning.
Bruce Wayne saw a DBZ re-run one time and decided he should come up with a plan in case of unlikely crossover.
Somewhere in the Batcave there's a vault with hundreds of little boxes containing every thing he needs to defeat every fictional character ever.