Have WhatNot stop sales of Ultimate Fallout 4 Acetate Facsimile Not approved by Marvel & hold sellers who sold that book responsable

Sellers on the app continue to profit off the sales of Ultimate Fallout 4 Acetate Facsimile even though they know it's a unauthorized/not approved item from Marvel. WhatNot's own terms of use for the app states user's can not "use the app for the distribution or sale of counterfeit, unauthorized, stolen, B-grade, or similar non- authentic items or NFTs".
WhatNot needs to stop/inform all uses of the app that the sale of this book is to stop & prohibited in the app & that any/all sales that have already happened are to be returned & refunded at the sellers expense. WhatNot needs to stand by it's users & take action & have consequences against sellers who continue to sell this book knowing it's not approved by Marvel in order to protect it's customers.