​​Apart from the two films being released at the same time - an attribute that they share with other movies - the only other commonality between the two is that they have already made huge draws on the box office. And, yes, commonalities are the secret trap door in the marketing magic of false binaries. Using these similarities, then a BC - big contrast - is flung with aplomb: Barbie's $775 million draw at the gates in the first 10 days of release versus Oppie's $400 million. And, voila! We have deep cogitations going on till the last U-235 half-lives its way into the dollhouse.