I can understand why that action scene whasn't to your liking. Looking at it you first see the villians mechanical arm attacking Batman that barely doges it by the armpit hairs. Next panel Batman have somehow jumped OVER what we can only assume (in lack of evidence) is the SAME arm.
The over-panel Batarang also confuse it all even more since we allready see it hitting the villian in the panel after/under it. Thus creating double readings of the same Batarang.