As evidenced by Paramount's live-action "Transformers" movies and the recent "Masters of the Universe" film released by Amazon MGM Studios, nostalgic toy lines can serve as fertile grounds for a variety of engaging Hollywood projects leaning into vintage intellectual properties.With Mattel ramping up their own film production efforts and toy-to-screen endeavors after enormous success with "The Barbie Movie" and hi-octane plans for Hot Wheels mov…