Samuel L. Jackson announces ‘Avengers’ cast

SAN DIEGO — Comic book fans no longer have to imagine what it might be like to see all their favorite superheroes in one place.
They got the chance Saturday at Comic-Con, when the cast of the forthcoming "Avengers" film took the stage. Samuel L. Jackson surprised some 6,000 fans gathered for a Marvel Studios presentation when he stepped out just as it was ending and started introducing the cast of "The Avengers."