He returned to the past and perpetrated a crime. Zoom eventually hatched a plan to increase his powers threefold and conquer every era in time. Eventually, he created his own Negative Speed Force by duplicating the accident that gave Allen his powers. He broke out of prison and used Element Z kept in a locket to simulate super speed but was defeated again. Allen soon appeared in search of the capsule and confiscated the costume from Zoom. After dying the costume in reverse color hues to the Flash, Thawne called himself Professor Zoom and set out to become the greatest criminal in human history. Thawne amplified it with 25th century technology and discovered he had super speed whenever he wore it. Then in 2463, a time capsule appeared out of nowhere with the Flash's costume in it. Unlike his fellow man, Thawne had a nostalgia for the 20th century superheroes, the second Flash (Barry Allen), in particular. In the 2460's, Professor Zoom aka Eobard Thawne was a wealthy young man and science teacher.

Zoom flash and reverse flash