45 movies in the works, reportedly https://www.newyorker.com/magazine/2023/07/10/after-barbie-mattel-is-raiding-its-entire-toybox.

After “Barbie,” Mattel Is Raiding Its Entire Toybox

In an era when “pre-awareness” rules Hollywood, the company is ginning up plots for everything from Hot Wheels to UNO.

Some clarifications: 10 or more (title edited); doesn't have to be live-action, but does have to be released widely in cinema's or their possible future equivalents.