When the first manned mission to Mars meets with a catastrophic and mysterious disaster after reporting an unidentified structure, a rescue mission is launched to investigate the tragedy and bring back any survivors.

Back when sex was safe, pleasure was a business and business was booming, an idealistic porn producer aspires to elevate his craft to an art when he discovers a hot young talent.

The story of a young man's adventures in the California pornography industry of the late 1970s and early 1980s.

With many people fearing the actions of super heroes, the government decides to push for the Hero Registration Act, a law that limits a hero's actions. This results in a division in The Avengers. Iron Man stands with this Act, claiming that their actions must be kept in check otherwise cities will continue to be destroyed, but Captain America feels that saving the world is daring enough and that they cannot rely on the government to protect the world. This escalates into an all-out war between Team Iron Man (Iron Man, Black Panther, Vision, Black Widow, War Machine, and Spiderman) and Team Captain America (Captain America, Bucky Barnes, Falcon, Sharon Carter, Scarlet Witch, Hawkeye, and Ant Man) while a new villain emerges.

When Tony Stark tries to jumpstart a dormant peacekeeping program, things go awry and Earth's Mightiest Heroes, including Iron Man, Captain America, Thor, the Incredible Hulk, Black Widow and Hawkeye, are put to the ultimate test as the fate of the planet hangs in the balance. As the villainous Ultron emerges, it is up to the Avengers to stop him from enacting his terrible plans, and soon uneasy alliances and unexpected action pave the way for a global adventure.