But her costume has been banned from the event – which pits the winners of events from 25 European countries against one another – after a social media backlash that accused Ms Livanart of being captain marvel halloween costume insensitive. Alice Livanart won the France Cosplay Cup in September after dressing as League of Legends champion Pyke -. A spokesperson said: ‘We hear and appreciate all of your concerns regarding the costume of one of our finalists.