Exploring the sinister laboratory hidden underneath the Ravencroft Institute's south wing - which is full of biological diagrams, dissected specimens, and blood samples from a diverse array of species - Mister Fantastic remarks that the specimens were collected in at least the early 20th centuries but are remarkably well-preserved. Mayor Wilson Fisk wonders who the lab belongs to, Misty Knight finding a framed photograph of Dr. Nathaniel Essex, who Mister Fantastic vaguely recognizes.