Originally Posted by cherokeesam
No, the Spear was powered by the Tesseract (which *is* an Infinity Stone). So in all likelihood, the Spear lost any special powers as soon as Thor took the Tesseract back to Asgard.
the spear itself was never taken to Asgard IIRC. IF
the staff or the gem on the staff is one of the stones, it is SHIELD property right now...