Hi @ThatGuyLoser,
Thank you for your question!
Unfortunately, you do need some coding skills to add custom villains.
However, there is a demo version for adding custom scripts available here:
https://irefrixs.itch.io/marvel-lcg-scripts
Password: marvel-lcg-scripts
Please note that this feature is not fully supported and may contain bugs. We apologize that the blueprint ability editor is still in development.
If you have any further questions or need assistance, feel free to ask!