Dick Kulpa is, among other things, a fan of the Fantastic Four. Like many other fans, he grew weary of waiting for Reed Richards' return after the character's apparent death in Fantastic Four #381. After waiting over a year with no hope in sight, Kulpa did what he had to do: create his own story to bring Reed back. It's a simple resolution. It flows quickly. It's executed well. Although there are some small items for Continuity Police to nitpick over, it answers several of this century's big mysteries in the Marvel tradition of re-evaluating history, which more than makes up for any glitches that a Negative Zone researcher (like myself) would notice.
Oh, and on this trip to the Negative Zone, Johnny doesn't die.