A major enhancement has been made to Metahuman and you can now generate Metahuman characters from any obj/fbx file.
But for this you need avatars that you will reference. This will provide you with a large reference archive.
https://dev.epicgames.com/community/learning/tutorials/OPl4/unreal-engine-creating-a-metahuman-character-using-makehuman
3 Likes