- Warren Buffett hasn't said whether he's going to see "Barbie" or "Oppenheimer" this weekend.
- The famed investor promoted a set of four See's Candies-branded Barbie dolls in 2000.
- Buffett has warned about the enormous threat posed by Oppenheimer's creation, the atomic bomb.
Millions of people are buzzing to see "Barbie" and "Oppenheimer" this weekend — a cinematic showdown and pop-culture phenomenon dubbed "Barbenheimer" by some. Warren Buffett has nodded to both the iconic doll and the father of the atomic bomb over the years.