The original suit from Batman Begins was also in TDK for a couple of scene when he encounters scarecrow and the copycat batmans in the parking garage, in the bank vault with Gordon and on top the roof with dent and Gordon..
Maybe they are using the 1st suit in order to not create two similar Batmans just in case they also make a 1/4 Batman from TDKR I'm assuming
Maybe that's the case. Honestly, I'd be surprised if Enterbay wasn't planning to make 1/4 TDKR figures.