We may get to see Janet in a flashback or in a future episode of Agent Carter or Agent's of Shield.
Howard Stark is long dead but we are still seeing him played by two different actors in Marvel films and television shows.
I'm just glad this film has finally got made.
Stan Lee tried to get a Ant-Man movie made back in the late 80's when New World Entertainment was Marvel Comics' parent company.
Edgar Wright and his writing partner Joe Cornish wrote a treatment for Artisan Entertainment, who owned the film rights to Ant-Man all the way back in 2003 before the rights reverted back to Marvel who let them have a crack at making the film until they split and now it has finally been made.