The last official version of the Axe seems to come from the eponymous (2ED) module:
https://en.wikipedia.org/wiki/List_o...ns_%26_Dragons
...which can be purchased at such places as Drivethrough
http://www.drivethrurpg.com/product/...-Lords-2e?it=1
3.5 stats are in the SRD:
https://dnd-wiki.org/wiki/SRD:Axe_of_the_Dwarvish_Lords
I have no idea about 5ED.