One common theme is family. Since Max is part of the Lightwood - Bane family, many fanfictions focus on the family dynamics, like how his dads Alec and Magnus raise him, and his relationship with his siblings. Another theme is his growth. As a baby, there's a lot of potential for him to grow and develop his powers, which is often explored.
The theme of magic and the Shadowhunter world is also quite common. Max is born into this world of magic and mystery, and fanfictions often show how he starts to interact with it from a very young age. For example, he might accidentally do some magic as a baby and it leads to all sorts of interesting situations. Also, love and acceptance are themes that come up a lot. The family's love for Max and the acceptance of his unique identity within the Shadowhunter community are often written about.
A sense of adventure is a big part of these fanfictions. Max gets to explore different eras, meet historical figures in the Shadowhunter universe, and experience things that are completely out of his normal time. This adventure theme is what draws a lot of readers in, as it allows them to go on this wild time - traveling journey with Max, seeing new places and events within the Shadowhunter world.
There's a fanfiction called 'Growing Up Lightwood - Bane' which features baby Max prominently. It details how his family and friends interact with him as he starts to grow and discover his powers. The author does a great job of showing the love and care that surrounds Max in this fictional take.
One great 'Max Lightwood Bane Time Travel' fanfiction is 'Time's Threads'. It weaves a complex story of Max traveling through different eras in the Shadowhunter world. The author does an amazing job of depicting how Max's character evolves with each time jump, and how his relationships with other characters change over time. It's filled with action, mystery, and a touch of romance.
Love and acceptance are very common. Given that they are from different worlds (Shadowhunter and warlock), their relationship often involves them learning to accept each other's differences. Another theme is family. Alec has his Shadowhunter family and Magnus has his own kind of 'found family' among the Downworlders. Fanfictions often explore how their relationship affects and is affected by their respective families.
In goofy and baby max fanfiction, the theme of love is central. Goofy's unconditional love for Max is a key element. Also, discovery is a common theme. They might discover new places, new things about each other, or new aspects of themselves. Additionally, the theme of facing fears can be present. Max might face his fears with Goofy by his side, and in the process, their relationship deepens.
Growth is also a theme. Not just the baby's growth, but also Max and Fang's growth as individuals and as a couple while raising the baby. They might learn new things about themselves and each other through this experience. And sometimes, there's a theme of discovery. Maybe the baby has some unique traits or abilities that they need to discover and understand.
One common theme is friendship. Max forms different kinds of friendships at camp, which is often explored in the fanfictions. For example, his relationship with Neil and Nikki is a central focus in many stories.
One of the most popular themes is the exploration of their cultural differences. Magnus being a warlock with a long and rich history and Alec being a Shadowhunter from a more traditional background. Another theme is their struggle against prejudice. They face discrimination from the Clave and others due to their relationship. Also, the theme of sacrifice is common, like how they would sacrifice for each other's safety and happiness.
Another theme is the search for support. Alec usually has to find people he can trust to help him deal with the abuse. This could be his family members like Izzy or Jace, or new friends he makes along the way.
One common theme is vulnerability. Alec is often shown as a strong and stoic character in the original series, but in hurt fanfiction, his vulnerability is explored. For example, when he's physically injured, we see a different side of him that's more reliant on others for help.