The next Superman we will see on the big screen will not be Brandon Routh, but a younger Superman among a cast of youthful superheroes in The Justice League. That movie will likely not be shot, however, until after the WGA strike is resolved. - Silver Bullet Comic Books, 1/3/08 [link] 
Dr Miller has been confirmed by Warner Bros. as the director of Justice League of America, a large-scale superhero epic featuring Superman, Batman, Wonder Woman, and a host of others, "The Justice League superheroes are in fact related to ancient Greek gods and that will be my reference point." - Comics2Film, 12/27/07 [link]
George Miller said his new film Justice League of America wasn't affected by the recent writers' strike in the US and is expected to start shooting in the new year, under a new name. However, Miller wouldn't comment on casting, including rumours of Megan Gale joining the film. - Sydney Morning Herald, 12/7/07 [link]
Wizard's sources say that while the idea of a motion-capture flick - like Neil Gaiman's "Beowulf" - was floated, the film's entirely live-action ... at least for now.- Wizard Magazine, December 2007 issue [link]
The fake script opened on Green Lantern flying a jet fighter, the real Justice League of America script begins on a much grander and somber note: Superman walking on the rooftop of a cathedral. He is there as well as five other members of the Justice League (Aquaman, Wonder Woman, The Flash, Green Lantern and Martian Manhunter) because they are paying their respects at a funeral, grieving over the loss of someone that we don’t know as of yet. - UGO, 10/23/07 [link]
"It looks like the story is heavily based off the 'Tower of Babel' and 'Brother Eye' arcs. Batman has developed a technology called 'Redeye' that spies on League members and has collected information on everyone’s weaknesses. You’ll never guess what happens next: A villain gains control of said technology and uses it against the League." - Blog@Newsarama, 9/26/07 [link]
"Contracts with the Screen Actors Guild and Directors Guild of America expire on June 30, which means studios must start filming by March 1 to beat the strike deadlines. It also means Warner Bros. will have to hire a director immediately and begin casting." - Newsarama, 8/27/07 [link]
"The Justice League of America film might be headed to the world of Motion Capture" - IESB.net, 8/22/07 [link]
"The JLA script has been received with open arms by Warners and the goal is for the film to be the launching point for The Flash, Wonder Woman, The Green Lantern and Aquaman as well as rejuvenate Superman. When do the powers-that-be want to start production on Justice League? Apparently, as soon as the first quarter of 2008, that’s right, WB sources have informed the IESB that execs behind the Justice League of America want it to be in production as early as February/March 2008 to be ready for a summer of 2009 release. What’s the rush? The pending strikes are definitely one of the reasons that Warner Brothers. wants to move quickly on the ensemble pic. They also want to start building a fan base behind the new heroes that will help them go on to have their own stand-alone films" - IESB.net, 8/17/07 [link]
"Both Brandon Routh and Christian Bale will not be reprising their roles in the coming adaptation of the Justice League film. Casting will begin as early as next week for the film which Warner Bros wants in theaters by Summer 2009. The roles of Batman & Superman are both central to the story of the film and they will be recast." - Mania Movies, 8/22/07 [link]
"WB's plans for a Justice League movie reached a major milestone last week when writers Kieran and Michele Mulroney turned in a first-draft screenplay that Variety's Pam McClintock says had 'Warner Bros. suits actually smiling.'" - Bags and Boards, 6/18/07 [link]
"The Justice League of America has been a perennial favorite for generations of fans, and we believe their appeal to film audiences will be as strong and diverse as the characters themselves," Warner prexy of production Jeff Robinov said in announcing the hiring of the Mulroneys. - Variety.com, 2/22/07