By request of @robfwtx Many know Superman II as the sequel that highlights General Zod, Ursa, & Non as the sexy BDSM supervillains, but also apparently where Alexander Salkind told Richard Donner to Fuck Off & replaced him with Richard Lester as director.
Donner actually left production as Superman I & II were being shot back to back & a Majority of film for II was Donner's.
Pressured by fans for a Donner Cut, Michael Thau found footage that has been unused & presented it to Donner, who...