The Flash: Inside George Clooney's Return as Batman – The Hollywood Reporter

The DC film had three separate endings, each overseen by different Warner Bros. regimes, spanning Walter Hamada to James Gunn and Peter Safran.

George Clooney says there 'aren't enough drugs in world' for him to play Batman again - Mirror Online

Why did James Gunn add George Clooney to the End of The Flash? : r/DC_Cinematic

Christian Bale's Flash Movie Rejection Claim Gets Clarified by New Comments

The Flash Movie Photos Reveal HD Look at George Clooney's Bruce Wayne Cameo

The Batman: Robert Pattinson Interview Causes Controversy Among Fans – The Hollywood Reporter

The Flash: Inside George Clooney's Return as Batman – The Hollywood Reporter

Convincing George Clooney For His Batman Return in 'The Flash' Was Not Easy, Sources Unveils Clooney's Future in James Gunn's DCU

George Clooney says there are not 'enough drugs in the world' to get him to play Batman again - Yahoo Sports

George Clooney says there's not enough drugs in the world for him to return as Batman again 💀 : r/comicbookmovies

Why George Clooney Returned as Batman, Revealed by New Report

Michael Keaton in Talks to Return as Batman in The Flash Movie

George Clooney Says That Batman Role in 'The Flash' Was One-Time Thing – The Hollywood Reporter

George Clooney Will Shock With Batman Return In The Flash