Usually it's just kryptonite that brings Superman out in a rash, but early reviews of the latest instalment in the long-running film franchise suggest our lycra-clad hero has significantly more to worry about than green crystals. The new film - directed by James Gunn and starring David Corenswet as the fictional superhero, with Rachel Brosnahan as precocious reporter Lois Lane - will go on general release from July 11. But while it marks a new chapter in a franchise that began with the iconic Christopher Reeve in Richard Donner's well received 1978 classic Superman: The Movie, a faction of early...