NEW YORK, Jan. 8 /PRNewswire/ -- Subsidiaries of Marvel Entertainment, LLC today filed suit in federal court in Manhattan seeking a declaration that notices of termination of copyright assignments served by the heirs of long-time Marvel artist Jack Kirby are invalid.

WASHINGTON, Sept. 22 /PRNewswire-USNewswire/ -- /EIN News/ Some of the most cherished names in comic book history, from Spider-Man and the Incredible Hulk to the X-Men and Fantastic Four, have found themselves locked in a new battle over who owns the characters' copyrights.

NEW YORK - Captain America has undertaken his last mission - at least for now. The venerable superhero is killed in the issue of his namesake comic that hit stands Wednesday, the Daily News reported.