There's also 'OC in the Cybertronian World'. In this fanfiction, the OC is a mechanic from Earth who gets transported to Cybertron. They use their knowledge of Earth technology to help the Transformers, which leads to some really interesting interactions and plot developments. It's full of action and some cool character dynamics.
The lore of the Transformers must be respected. You can't just make up random rules about how Cybertron works. Make sure you understand the different factions, their goals, and the technology involved. This helps in creating a believable crossover story.
In a Transformers and Bumblebee crossover fanfiction, Bumblebee could lose his memory and the other Transformers have to help him regain it while also protecting him from the Decepticons who see this as an opportunity to take him out. They go on a journey through different planets and encounter various strange species along the way.
In a world where the Transformers and Megatron's universe collide, Optimus Prime finds himself in an unfamiliar realm. He discovers Megatron has formed an unlikely alliance with a group of humans. Optimus is initially skeptical but realizes they must work together to face a new common enemy, a powerful energy - sucking creature from another dimension. The story unfolds as they learn to trust each other and combine their strengths.
Well, in transformers oc x oc fanfiction, one of the prevalent themes is self - discovery. These original characters are often in a world full of powerful and well - established transformers, and they have to figure out who they are and their place. Power struggles can also be a theme, as the ocs might be vying for a position or trying to prove themselves. Survival in the often - dangerous transformers' world is yet another common theme. For example, ocs might have to face off against powerful enemies or deal with the aftermath of a big battle.
One idea could be that Anastasia is a long - lost Cybertronian in human form. The Autobots discover her true identity while on Earth and have to protect her from the Decepticons who want to use her unique connection to both Earth and Cybertron for their evil plans.
Once upon a time in a world where Autobots and Avengers co - existed. Optimus Prime teamed up with Iron Man. They were facing a new threat that combined the technology - stealing abilities of the Decepticons and the magic - misusing powers of some Marvel villains. Together, they used their combined intelligence and strength to fight back. Optimus's strength and Iron Man's high - tech gadgets made them a formidable duo.
Optimus Prime crashes on an alien planet during a battle. This planet is inhabited by shape - shifters. At first, they are wary of Optimus, but as they see his noble nature, they decide to help him repair his ship. In return, Optimus helps them defend their planet from an incoming invasion. He teaches them some of his combat strategies and they combine their shape - shifting abilities with his strength, creating a unique and powerful defense force.
One great 'Transformers G1 Crossover Fanfiction' is 'Transformers G1 and the Autobot - Decepticon Alliance with the Justice League'. It combines the world of Transformers G1 with the superheroes of the Justice League in a really exciting way. The story has amazing battles and unique character interactions.
Well, in a lot of these fanfictions, Soundwave often gets some really interesting character developments. Sometimes he's paired with characters from other universes in the crossover, which can lead to some unique storylines. For example, he might interact with characters who have very different moral compasses, creating a lot of conflict and drama.