Zack Sharf Digital News Director Robert Downey Jr. is not closing the door on the Marvel Cinematic Universe, which he kicked off in 2008 with “Iron Man” and headlined for 11 years through 2019’s “Avengers: Endgame.” Iron Man met his demise in that tentpole, but that has never stopped rumors from circulating that Marvel is trying to bring Downey back into the fold, especially now that the MCU has hit a box office rough patch with 2023 flops such as “Ant-Man and the Wasp: Quantumania” and “The Marvels.” Certainly, Downey’s return as Iron Man could restore Marvel to its blockbuster glory days. Speaking to Esquire magazine after his Oscar win for “Oppenheimer” last month, Downey was asked if he would ever return to the Marvel Cinematic Universe now that he is officially an Academy Award winner.