Mutant X
In the alternate universe visited by Alex Summers, a.k.a. Havok, the Fantastic Four seemingly have no powers, though Reed still has his genius level intelligence. Reed generally wears a battle suit with two extra arms. In his first appearance, he is attempting to build a machine that will allow the Goblin Queen to summon demons from another dimension. When the Goblin Queen makes her play to conquer the world, Reed is right at her side. In the final issue of the series, Reed joins a makeshift team of villains and heroes in order to stop the Goblin Queen's threat against the entire multiverse. He is interrupted in his work by Dracula, who slices open his throat, killing him.
Read more about this topic: Alternative Versions Of Mister Fantastic