Ubisoft's Mario + Rabbids team reportedly came close to making an "ambitious" Zelda game starring Ganondorf, but it wasn't to be

What happened
Ubisoft Milan, the studio behind the acclaimed Mario + Rabbids games, reportedly came close to making a Zelda spin-off starring the series' biggest villain, Ganondorf, instead of regular protagonist Link - but an initially receptive Nintendo eventually pulled the plug on the whole thing. Read more
Summary assembled by rule from the sources below