Mod movie prop GL ring to make it glow - not that we need a green lantern ring, but the same concepts could be used for making iron man accessories like the bracelets from the movies, or repulsors, or little lights in those rocket boots mar leena wants.
The fact that Batman doesn't have powers makes him that much more hardcore. This scene from the just alright Justice League: War movie perfectly portrays this about him. And it might be a bit out of character maybe, but I love that smile at the end
Blackest Night Green Lantern Ring Authentic DC Comics Plastic: This is a toy plastic ring and will not grant the wearer any powers, but is a nice replica of the blue ring of hope depicted in the pages of the Green Lantern: Blackest Night comics.