Robert Downey Jr. hinted at the possibility of returning as Iron Man during a conversation with Jodie Foster.

Marvel Studios initially considered Clive Owen for the Iron Man role before casting Downey Jr.

Kevin Feige, Marvel's head, emphasized the importance of the right choice over the first choice in casting decisions.

Other actors considered for the Iron Man role included Tom Cruise, Hugh Jackman, Timothy Olyphant, and Jim Caviezel.

The selection of Downey Jr. marked a pivotal moment in the Marvel Cinematic Universe.

Despite previous rumors, Rob Lowe's potential involvement with Iron Man remains unclear.

Feige has the final decision on Iron Man's future in the MCU.

Multiple sources and audition roundups provide further insight into Marvel Studios' casting process.