Not a full review, just sharing pictures of my She-Spawn using The Batman's Bruce Wayne drifter bike. Compatibility wise, it's almost perfect. But the hands are a bit too short so you need to try and pose her so that she can grab the handles.
The drifter bike comes with a helmet where the socket is standard size (as far as I know). However, for my She-Spawn, I can't detach the neck joint that's stuck to her head so I used 3D printed neck joint originally for Witcher's Geralt. If you're printing that, reduce the length a bit and you're good to go
