As Marvel Studios’ “Black Panther” continues to top the box office, Marvel owner Disney said it is celebrating the movie’s record-breaking success by donating $1 million to the Boys & Girls Clubs of America. The donation will help expand Boys & Girls Clubs of America’s youth science, technology, engineering and math, or STEM, programs, supporting the high-tech skills that were a major theme in the plot of “Black Panther,” Walt Disney Co.