Ever since the Marvel Cinematic Universe introduced Thanos into the franchise, fans wondered how any member of the Avengers could be powerful enough to take down the Mad Titan, with Ant-Man’s ...

If that doesn't ring any bells, let us quickly refresh your memory… Around the time of Avengers: Endgame's release back in 2019, Marvel fans thought up the perfect way to defeat Thanos.

Downey famously portrayed Tony Stark/Iron Man for over a decade in the MCU. Downey’s Iron Man died in Avengers: Endgame after sacrificing himself to destroy Thanos and save the world.