By Laura McGuire Superdry has drafted in advisors to help explore its debt-raising options, following a profit-warning posted last month by the firm. The ailing British retailer is said to be in talks with ‘big four’ firm PwC, according to reports in Sky News’ Mark Kleinman, This comes just one month after it posted a 13 per cent slump in retail sales ahead of Christmas, leading its shares to tumble 16 per cent. The firm’s board already has a number of sizeable debts through arrangements with Hilco and Bantry Bay Capital worth a total of more than £100m, the outlet said. Superdry also recently…