Robert Downey Jr. continues to have fun teasing fans from the set of "Avengers: Doomsday". On Thursday, the Marvel icon posted an image to his Instagram account which he captioned "Doom workstation essentials." You can see the image below. Read More: Official 'Superman' Trailer is Bursting With First Looks at Heroes and Villains

Robert Downey Jr. posted a pic of a Jonathan Hickman Doctor Doom comic from 2024 from the set of Avengers: Doomsday, listing it as a Doom essential."

Doom #1 was released in May 2024. The plot follows Doom’s quest to accumulate substantial amounts of power so he can put an end to Galactus. Check out Downey’s post in the space below: Galactus is set to make his Marvel Cinematic Universe debut in this summer’s The Fantastic Four: First Steps,