Well I finally got the LED replacements for my Killzone Mercenary Standee. I also cut out new holes on the inside to hold the LEDs (they are now more towards the center of where the lights comes from on the image instead of center of the eye cut out holes).
Here is it with my whole Killzone Mercenary collection (special thanks to
Merch (for the lanyard and the pamphlet) and
doronf1 (for the deck of cards) for helping me get these items!):