Transformers and Supergirl Crossovers
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Defeated - Original version by OptimusPrimesGIRL21 reviews
Supergirl is affected by red kryptonite, and when Optimus Prime passes through National City, Supergirl takes a murderous rampage against Optimus that leads to brutal consequences.
Rated: T - English - Tragedy/Angst - Chapters: 1 - Words: 533 - Reviews: 1 - Favs: 1 - Published: 5/13 - Optimus Prime, Kara D./Supergirl - Complete
Changed Forever by OptimusPrimesGIRL21
KSI created Galvatron, but what happens when Lockdown captures Optimus Prime and Galvatron follows? Optimus is forced to endure things a Prime should never have to go through, which causes him to become unstable. Even after his mate rescues him, he is unstable causing her friends to force her to make a choice that will cause more harm to Optimus in the end.
Rated: T - English - Romance/Hurt/Comfort - Chapters: 10 - Words: 5,616 - Favs: 4 - Follows: 3 - Updated: 11/3/2021 - Published: 10/26/2021 - Mikaela B., Optimus Prime, Lockdown, Kara D./Supergirl - Complete
The Thrill of the Hunt by OptimusPrimesGIRL21 reviews
Optimus Prime along with others who are heroes as well as aliens are forced into a hunt where their lives mean nothing as each of them is hunted and killed. Optimus realizes he will never come out of the situation alive unless he can figure out a way off the island which seems very unlikely. He forms a bond with Supergirl for whatever time they have left and it makes him happy for
Rated: M - English - Tragedy/Angst - Chapters: 13 - Words: 10,080 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 10/10/2021 - Optimus Prime, Kara D./Supergirl, Clark K./Superman - Complete
The Unthinkable by OptimusPrimesGIRL21
What happens when Shockwave gets his revenge on Optimus for killing his pet Driller and works with another villain who has an ax to grind with aliens anyway. The outcome is more horrible than anyone could imagine.
Rated: T - English - Hurt/Comfort/Friendship - Chapters: 5 - Words: 6,044 - Favs: 3 - Follows: 3 - Published: 6/27/2021 - Ratchet, Optimus Prime, OC, Kara D./Supergirl - Complete
Trust me, love me by OptimusPrimesGIRL21
When Optimus is taken prisoner by Cemetery Wind and is experimented on the DEO from National City get wind of it led by Supergirl they storm KSI rescuing the last Cybertronian left alive. Now, they must gain Optimus' trust and hopefully have another ally to help fight evil, the only problem is Optimus helped humans before and he was betrayed. Can Supergirl change his mind, will her
Rated: T - English - Hurt/Comfort/Romance - Chapters: 1 - Words: 1,954 - Favs: 2 - Follows: 3 - Published: 6/27/2021 - Optimus Prime, Kara D./Supergirl, Clark K./Superman, Leslie W./Livewire - Complete
Plans to end a hero by OptimusPrimesGIRL21
With Optimus gone from Earth, he encounters Quintessa. But the mad Cybertronian witch has something else in store for the Prime, something that no one ever saw coming, until he gets help from his mate.
Rated: T - English - Hurt/Comfort/Suspense - Chapters: 1 - Words: 1,082 - Favs: 3 - Follows: 3 - Published: 6/26/2021 - Optimus Prime, Kara D./Supergirl, Clark K./Superman - Complete
Parasite - Revised by OptimusPrimesGIRL21
Optimus is poisoned by Cemetery Wind with a parasite that targets his spark, and the parasite not finding his spark chamber right away tears Optimus apart to reach his spark chamber. Can Optimus' mate save him before KSI wins in the end?
Rated: T - English - Romance/Hurt/Comfort - Chapters: 1 - Words: 888 - Favs: 2 - Follows: 2 - Published: 6/26/2021 - Optimus Prime, Joshua J., Harold A., Kara D./Supergirl - Complete
Hunted by OptimusPrimesGIRL21
Optimus is in love and happy and bonded. However, KSI creates a monstrous being to hunt down and torture Optimus Prime. Will Optimus survive, or has he met his match this time? Or is Optimus' mate holding onto a special secret.
Rated: T - English - Romance/Suspense - Chapters: 1 - Words: 3,705 - Favs: 2 - Follows: 3 - Published: 6/26/2021 - Optimus Prime, Joshua J., Harold A., Kara D./Supergirl - Complete
Defeated by OptimusPrimesGIRL21
Supergirl is affected by red kryptonite, and when Optimus Prime passes through National City, he decides to help save the superhero.
Rated: T - English - Hurt/Comfort/Suspense - Chapters: 1 - Words: 569 - Favs: 1 - Follows: 2 - Published: 6/26/2021 - Ratchet, Optimus Prime, Kara D./Supergirl, Alex D. - Complete
Love knows no bounds by LunaMoonstar19
Optimus is the last Cybertronian alive, Cemetery Wind hunting him down. The lone Autobot leader meets Kara, who stumbled upon him while wandering around, bored out of her mind. The two fight against Cemetery Wind, falling in love along the way. AU. Warnings inside.
Rated: T - English - Romance/Hurt/Comfort - Chapters: 4 - Words: 5,057 - Favs: 4 - Follows: 5 - Published: 5/27/2020 - [Optimus Prime, Kara D./Supergirl]