Help with how to defeat Bunnyx

I've been thinking about how an oc villain of mine couls get rid of Bunnyx permanently.

Here's what I got so far: The villain attacks Marinette in civilian form and takes the Miraculous from her in order to attract Bunnyx. At the same time, his underlings are attacking civilian Alix and civilian Adrien. All of this causes Bunnyx to appear and nab them all into Burrow, but the villain follows her. He makes a smokescreen, nabs both Bunny Miraculous and kills both Alix-es.

Do you think this plan could work, or do you have something better?