Bill Lavoy (Prima Games): If you watched Shark Week this year, you know all about Megalodon. A giant, prehistoric shark that was thought to grow up to 18 meters in length and weigh about 60 metric tons. In other words, comparable to a city bus. Earlier this week, YouTube commentator JackFrags presented evidence that the great Megalodon may not be extinct, at least not in Battlefield 4. Let's examine some of the evidence.