I think bad guy having the same skillset is really just a superhero trope.
- Flash vs Zoom
- Green vs Yellow Lantern
- Spidey vs Venom
- Aquaman vs Black Manta
- Wonder woman vs Ares
- Green Arrow vs Dark Archer
I listed DC heroes primarily to show it isn't just a Marvel thing. But all of these arch enemies are basically evil duplicates of the hero.
I think the trope largely stems from a "How do you defeat someone who is as powerful/strong as you" kinda thing.
It wouldn't be a crisis, it would be illegal and congress should impeach him. But if the legislative just sits on their hands then it's the executive and legislative against the judicial, and in that scenario the judicial looses and the country suffers.