They get into the negative zone and BOOM they all go flying back. The machine got destroyed and it opened a big worm whole from Earth to the Negative Zone. Reed is trying to stop the worm whole with SHIELD. In the mean while Sue, Johnny, and Ben are trying to Stop Doom. Doom thinks that there trying to stop him from protecting his country. But that's when he notices that he's been using ruble from his country to try and kill the Fantastic 4.  Doom agrees to help Reed as long as SHIELD never touches how country again. Doom and Sue use there telekinesis abilities to try and close the whole. SHIELD tell the Fantastic 4 that they possibly can never come back to earth. They all agree that this is the way. So Sue and Doom close the whole and the Fantastic 4 and Doom are now stranded there for who know how long.

Post credit scene: It is now the present day and Hank Pym a scientist who works for SHEILD in the 80s is jumping up and down in joy saying that he found them he found the Fantastic 4.

End credit scene:  Tony Stark is flying around as Iron Man while on a call with Hank Pym and there both talking about how Nick Fury wants to form a team of superheroes to protect Earth.