At the end of TFone, just before the cons leave
Optimus: You can't just take them-
Shockwave, holding the human: No, fuck you, this is our mascot
Y/N: If you're a scientist, can you gimme a prehensile tail?
Shockwave: Whatever you want 🩷
Hooogh. Optimus sees the human again after billions of years but they've slowly lost their human bits
Optimus: My friend, what did they do to you...
Y/N: Do to me?! I can turn into a dinosaur! This is the best thing ever!
Megatron: I suggested a tank but, they insisted
Brooo imagine little human just becoming an absolute decepticon weapon. Why? Because they think it’s cool. It looked cool, so why not. They’re much stronger now!! Unfortunately they’ll eventually have to do decepticon things…dang it