Recently, Robert Downey Jr. shared an Avengers tease with a new video. As Avengers: Doomsday filming continues, the actor teased two Marvel comics in a new video, and one of them is confirmed to ...

So far, Thanos has been Marvel's biggest force to reckon with in the MCU, but these characters would have proven he could be beat.

Doomsday after all, as the Marvel Cinematic Universe movie theory just got a boost from Robert Downey Jr. himself.