Watch Justice League: The New Frontier (2008) HD Full Movie Free on solarmovie.do. Watch Justice League: The New Frontier (2008) online free. In the 1950s, a new generation of superheroes must join forces with the community's active veterans ...In the 1950s, a new generation of superheroes must join forces with the community's active veterans and a hostile US government to fight a menace to Earth.