They would be very protective. Autobots are known for their sense of justice and protecting the weak. So, they would immediately surround the reader to shield them from any further harm. Bumblebee might be the first to approach the reader gently, trying to communicate in his beeping way to let the reader know they are safe now.
One common theme is friendship. Usually, the human forms a deep bond with the Autobots, like in many stories where they start as strangers but end up being like family. Another theme is adventure. They often go on quests together, either to find a new energy source or to defeat the Decepticons.
One interesting 'human autobots fanfiction' could be 'The Autobot's Human Ally'. It tells the story of a young human who stumbles upon the Autobots and forms a unique bond with them. They go on adventures together, fighting against the Decepticons.
The Autobots would likely be very protective. They are heroes after all, so they would immediately sense the vulnerability of the abused reader and do whatever it takes to keep them safe from harm. They might also be gentle and patient, understanding that the reader has been through a lot.
Another might be Captain America and Optimus Prime. Captain America's strong moral compass and leadership skills would pair well with Optimus' own leadership and sense of justice. They could lead their respective teams in a united front against a common foe in the fanfiction. For example, they could be strategizing how to take on a combined force of Hydra and the Decepticons.
One interesting crossover could be a story where the Avengers and Autobots team up to fight a common enemy like Ultron who has somehow allied with the Decepticons. The Avengers' superpowers combined with the Autobots' advanced technology would make for an epic battle.
In female Autobots fanfiction, one common characteristic is their strong will. They are often depicted as being very determined in their missions. For example, they won't back down from a fight against the Decepticons.
In this fanfiction, Dante could have a unique role. Maybe he uses his skills to help the Autobots understand human culture better. He could introduce them to things like music or art, which could be a really interesting aspect of the story. And the Autobots, in turn, might show Dante some of their advanced technology.
Friendship and sisterhood is also a prevalent theme. Stories may focus on the relationships between female Autobots like how they support and trust each other. This can be seen in fanfictions where they rescue each other from dangerous situations and have heart - to - heart conversations about their place in the Autobot hierarchy.
In the fanfiction, Soundwave joining the Autobots could bring a whole new dynamic. His skills in intelligence gathering could be a huge asset for the Autobots. He might initially be met with suspicion from some Autobots due to his former Decepticon allegiance. But over time, he could prove his loyalty and help the Autobots in ways they never expected, like cracking Decepticon codes or providing inside information on their battle strategies.