This advanced Sentinel is so overpowering that it's hard to see any other X-villain, let alone any other Earth-based Marvel villain, surpass him in terms of sheer scariness. Could Nimrod Beat The ...

In 1964, while working on multiple books, including Tales to Astonish, a sci-fi anthology that featured Hulk stories, the duo introduced Samuel Sterns, better known as The Leader. The Marvel ...

There was also a boss fight against Task Master shown, along with a brief glimpse of the Sentinel enemies from X-Men in the cinematic. The big villain in Marvel Cosmic Invasion is Annihilus ...