With all of the recent flops, I feel like it's time to update the list. So far I have (in no particular order):
Concord, Dustborn, Ghostbusters (2016), Matrix (edit) Resurrections, Terminator Dark Fate, Watchmen (HBO), Joker 2, Indiana Jones and the Dial of Destiny, The Acolyte, Willow, Rings of Power, Saint's Row, Forspoken, Starfield, Unknown 9 Awakening, Flintlock, West Side Story, Charlie's Angels, Onward, Turning Red, Luca, Soul, Elemental, Lightyear, and Wish.
Edit: add Suicide Squad: Kill the Justice League, Borderlands (2024), Cowboy Bebop (Netflix), Resident Evil (Netflix), Witcher: Blood Origin, Wheel of Time[?] (Amazon), Agatha All Along, Star Wars Outlaws, Velma, and The Marvels.
not sure. I know it bombed hard, and they basically rewrote Misa's character... Not sure if L rises to the level of a palette swap, though...
Shame, willam dafoe as Ryuk looked good, but willam dafoe is one of those actors that can spin gold out of almost any shitty script...