He's not Superman. Not a chance: Not Zack Snyder But Henry Cavill

Henry Cavill talked about how he had already auditioned for the role of Superman before Zack Snyder's Man of Steel and how he wasn't fit!

Henry Cavill Reveals the Next Superman Story Will Be Enormously Joyful

CBR - Zack Snyder can't wait to work with Henry Cavill

James Gunn Clarifies He's Not Making a Young Superman Movie, Just a Superman Movie and Fans Question, Why Replace Henry Cavill? — GeekTyrant

See Henry Cavill in Christopher Reeve's Iconic Superman Suit - TheWrap

Henry Cavill: What are You Going to Do When You're Not Saving the World?

Zack Snyder Failed Henry Cavill's Superman, Not James Gunn

Henry Cavill says he is back as Superman in video announcement - ABC News

Seriously what's happened to Superman in the DC(EU)? Why don't they make a new Superman movie? Henry Cavill himself said that he's down for doing it. - Quora

Was there anything wrong with Henry Cavill playing both Clark Kent & Kal-El /Superman in the DC Extended Universe (DCEU)? - Quora

Why doesn't Warner Bros. want Henry Cavill to return as Superman? - Quora