Our list of underrated HBO Max movies to watch this weekend includes a Superman adventure, a surfing documentary, and a Michael Keaton crime thriller.

Bryan Singer’s 2006 Superman Returns is infamous for many reasons, but it conveys an important lesson as we wait for James Gunn’s Superman movie.

Get familiar with James Gunn's top films, including Superman, The Suicide Squad, and Slither. Learn about his cinematic style and approach ...