MegaCon Tampa Bay 2016 • October 28th – 30th Events September 13, 2016 September 20, 2016 No Comments on MegaCon Tampa Bay 2016 • October 28th – 30th Fierce Fans – We will be at MegaCon Tampa Bay 2016 • October 28th – 30th,. MegaCon Tampa Bay is a three day pop culture event in Tampa Bay, Florida, running in the Fall.