King James Version
And when all things shall be subdued unto him, then shall the Son also himself be subject unto him that put all things under him, that God may be all in all.English Standard Version
When all things are subjected to him, then the Son himself will also be subjected to him who put all things in subjection under him, that God may be all in all.New International Version
When he has done this, then the Son himself will be made subject to him who put everything under him, so that God may be all in all.