It's possible but unlikely. When I worked at MGM I pulled the files for both this and GORATH (another Brenco release) and, though they had been acquired long before May 1964, there was no indication, at least in the files, that they had been exhibited before that.

MGM still owns 35mm elements Brenco used for their heavily bastardized versions of those films, but as I recall they were all in extremely poor condition.