Well, it could be about the Brotherhood of Steel's high - tech weaponry and combat skills being combined with the Avengers' superpowers. Maybe they team up to fight a common enemy that is a threat to both their universes, like an extremely powerful alien race that is seeking to conquer all dimensions.
The Lonesome Road in New Vegas is a desolate and dangerous place. It's about a courier's journey through this harsh area filled with challenges. There are various factions and threats along the way.
The story of Fallout: New Vegas centers around the struggle for power and resources in the Mojave Wasteland. You play a courier who gets caught up in a web of political intrigue and must navigate through different factions with their own agendas. There's a lot of exploration, combat, and decision-making that affects the outcome.
The position of New Vegas in the main story is significant. It presents various challenges and plot developments that contribute to the overall richness of the story. It's neither at the beginning nor near the end but holds a crucial middle ground.