Another cosy crime series set in a sunny tourist destination might not seem the most original idea, but it could still be a lot of fun – especially with The Mummy star John Hannah leading this entry in the growing genre.Benidorm Is Murder takes place, as the title suggests, in the Spanish coastal city, which has been a particular favourite of British holidaymakers for decades.There, we'll meet "burned-out detective" Dennis (Hannah), who left beh…