'Krypton' isn't just a Superman prequel - it's got more DC characters than 'Justice League'

SAN DIEGO — If you thought Krypton was just going to be a poor man's Gotham, think again. 
The Syfy show, slated for 2018, has thus far been pitched as a prequel set on Superman's homeworld following the Man of Steel's grandfather, Seg-El, played by British newcomer Cameron Coffe, as a young man. 
But as DC Comics president Geoff Johns revealed at Comic-Con Saturday, the show has a whole raft of DC characters in it — because it's also a time-traveling extravaganza."You'll s