Robert Downey Jr. and Mark Ruffalo talk "Oppenheimer," "Poor Things," and getting naked. 

Before pursuing a serial killer in David Fincher's "Zodiac" and far before facing Thanos in Marvel Studios' "Avengers" films, Robert Downey Jr. and Mark Ruffalo first 

Their mutual excitement for their thrilling performances this year—Downey in Christopher Nolan's "Oppenheimer" as the cunning U.S 

Lewis Strauss, an official of the Atomic Energy Commission, and Ruffalo in Yorgos Lanthimos' "Poor Things," playing the dishonest libertine Duncan Wedderburn.  

Both actors went well beyond their established roles as movie stars and were keen to share their secrets with one another. 

I remember that was maybe the first time we really had our feet put to the fire with an exacting director who does things a certain way. 

He invented the delete button. There was no delete button ever in digital cinema and he specifically had it invented so that he could say 

“We’re going to delete takes 1 through 45” and you’re just like, “No, no, no, no! Thirty-eight was my baby!” 

And then we had this whole decade-and-a-half Marvel run where we were just looking at each other like 

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