King James Version
Whom the heaven must receive until the times of restitution of all things, which God hath spoken by the mouth of all his holy prophets since the world began.English Standard Version
whom heaven must receive until the time for restoring all the things about which God spoke by the mouth of his holy prophets long ago.New International Version
He must remain in heaven until the time comes for God to restore everything, as he promised long ago through his holy prophets.