Search? Why? Shaquille O’Neal is right there. They can film the movie in the same bottomless pit their profits will fall into, and save time and money. Go “Woke” go broke.
Yes Shaq already did this... Steel. It was based on the four story lines that emerged after the death of Superman.
https://superman.fandom.com/wiki/Reign_of_the_Supermen
Shaq's movie can be found right here
https://www.imdb.com/title/tt0120207/?ref_=fn_al_tt_1