User blog comment:Sleeperagent3056/What if Kars ever returned to Earth?/@comment-1447397-20130502051001/@comment-4709781-20130502181332

Not necessarily. Its been 50 years since Kars got stuck in space and technology has advanced. They might be able to get Kars back in space or kill him with stands, remembering that there is many stand users in the world.