Barry’s mother was never killed, so Barry’s father was never sent to prison. As such, Barry never had an interest in forensic science or the desire to work for the police. Instead he pursued a career in his true passion, marine biology. As such, he was on a remote island in the Philippines studying the migratory…

“Possible sideeffects of timetravel may include dizziness, upset stomach, paradoxes, deja vu, timecooties and in great likelihood headaches, if parodoxes persist please contact your scientist”

My guess is that due to Eddie tampering with the timeline at the end of Season 1 (via bullets, the best way to tamper with timelines), Zoom is the guy that becomes the Flash’s arch-nemesis in a future absent the Reverse-Flash. Also, Harrison Wells isn’t dead because now there was no Reverse-Flash to go back in time…