The star-studded trailer also features Patrick Stewart, Florence Pugh, Channing Tatum, Chris Hemsworth, Simu Liu and more
"I think I hung up the phone and was like, 'Downey’s coming back'"
The comedy series has been a hit with critics and audiences
The release date clash is reminiscent of 2023's Barbenheimer phenomenon
And there are plenty more to be announced
Robert Downey Jr recalled the moment during an awards speech on Wednesday (December 4)
The actor's last live action role came in 1997
Marvel's new reboot sticks with tradition
The star played the superhero from 2011-2019
Some fans have speculated this may lead to the return of a beloved character
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