Thanos' brother Eros, aka the adventurer Starfox, is officially the Mad Titan's "equal and opposite." Eros was created in the same experiments that created Thanos. But while Thanos was a failure ...

Speculation surrounds cameos of Marvel characters in the movie, including the return of Thanos from a different timeline. Killing Thanos in the movie could undermine his legacy as the MCU's ...