Re: Should the archenemy be first?
I'll say it depends on the character. Thor for example definitely needs Loki there from the beginning. Spider-man however doesn't need Green Goblin right away.
Most anticipated TV shows of Fall 2015: Jessica Jones Season 1, Agents of Shield Season 3, Flash Season 2, iZombie Season 2, Blind Spot Season 1, Arrow Season 4, Supergirl Season 1