Fantastic Four Vol. 1 (1961-1996) #292

Plot

Trapped in 1936, the FF attempt to prevent Fury from killing Hitler; they fail and as Hitler is shot, the FF wake up in a SHIELD base and find that Reed is still alive. He explains how he escaped the Negative Zone and that their time in 1936 was all part of the dream of the mutant Licorice Calhoun.