One common theme is friendship. When Sam and Dean meet Max, often a new friendship forms and they learn to rely on each other. Another theme is discovery. Max might introduce them to new places or ideas.
A frequent theme is teamwork. Sam, Dean, and Max have to work together to overcome obstacles. Also, there's often the theme of family. Max may become like family to Sam and Dean, or there could be a comparison between their different family values. In many of these fanfictions, they also face some kind of supernatural threat that forces them to put aside their differences and cooperate. For example, in some stories, a powerful demon is on the loose and they need to combine their skills to defeat it.
A major theme is the exploration of different realities. Since Sam and Dean are fictional characters and Jared and Jensen are real - life actors, fanfictions often play with the idea of how these two different existences can interact. Also, humor is a big part of it. The misunderstandings that occur when they meet usually lead to some really funny situations, like Sam and Dean thinking Jared and Jensen are some sort of magical doppelgangers.
Well, in a fanfiction where Sam and Dean meet Max Guevera, there could be a lot of action. Maybe Max's superhuman abilities would come in handy when they face some common supernatural foes. She could help them out in a fight against demons or vampires. For example, her enhanced strength and agility could turn the tide in a tough battle.
A recurring theme is the search for their place in the world. As hunters, they don't really fit into normal society. Fanfictions explore how they deal with this outsider status. Another theme is the power of friendship. They have friends in the hunting community, and how those relationships interact with their brotherly bond is often a topic. Also, the theme of fate and free will comes up, as they seem to be following a certain path but also trying to break free from it sometimes.
One great 'sam and dean meet max fanfiction' story is 'The Unexpected Encounter'. In it, Max's character adds a whole new dynamic to Sam and Dean's adventures. The story is full of action and mystery as they team up to fight a common enemy.
Their meeting might also be a catalyst for character growth, which in turn affects the plot. Sam and Dean could become more open - minded because of Max, and this could lead them to take on different types of cases or approach their existing cases in a new way. For example, they might start to consider the ethical implications of their actions more deeply, which could change the decisions they make throughout the story.
A lot of fanfictions also explore themes of sacrifice. Dean and Sam are often put in situations where they have to sacrifice something for each other or for the greater good. It shows their selfless nature. Also, the theme of redemption can be found in some, especially when they deal with characters who have made mistakes in the past.
Well, the theme of redemption is quite common. Whether it's Dean trying to make up for past mistakes or Sam finding his way back from a dark path. Love and friendship also play a role. Sometimes it's about their relationship with other hunters or people they meet. And of course, the struggle against fate. Many fanfics have them trying to break free from a pre - determined destiny.
Well, family is a huge theme. It's not just about Sam and Dean, but also their extended family and how that impacts their lives. Sacrifice is also common. They are always willing to put themselves in harm's way for each other or for the greater good. And then there's the theme of the unknown. Fanfiction often takes them into uncharted territories in the supernatural world, exploring things that the show might not have covered yet.
Guilt is a very common theme. Since Sam and Dean have a strong bond, when Sam hurts Dean, he often feels intense guilt which drives the plot forward.
Redemption is another theme that can be found. Sometimes the characters make mistakes or have a dark past, and fanfictions may focus on how they try to redeem themselves. For example, Dean might have some regrets about past actions, and the fanfiction could be about him trying to make things right. These themes help to keep the fanfictions interesting and true to the spirit of the Supernatural series.