In a battle between Megalodon and Bloop, it is uncertain who would emerge victorious. Megalodon, an extinct species of shark, was one of the largest and most powerful predators to have ever lived. On the other hand, Bloop is a mysterious low-frequency sound recorded in the Pacific Ocean in 1997. While Megalodon had immense size and strength, Bloop's origin remains unknown, leading to speculation that it could be a creature larger than Megalodon. Ultimately, the outcome of this hypothetical battle is uncertain and purely speculative.