Move over, Thanos — there's a new cosmic baddie in town. But what makes the Devourer of Worlds so much scarier than the Mad Titan?

After the newest Thunderbolts trailer, you may be wondering who the villain of the new Marvel movie actually is – here’s what we know.

Thanos was the 'big-bad' of the MCU during its Golden Age, and with the release of Fantastic Four: First Steps, he may make his triumphant return.