Whedon still thinks Dr Horrible 2 could happen Agents of SHIELD for Avengers crossover Marvel's Agents of SHIELD casts Dollhouse star Agents of SHIELD has Avengers 2 crossover? SHIELD bosses on Captain America 2 twist Agents of SHIELD: Will it get a season 2? Agents of SHIELD exec on backlash 'Agents of SHIELD' episode 9 review 'SHIELD' creators have 2-year plan Agents of SHIELD gets UK premiere date 'Agents of SHIELD' can never use X-Men 'S.H.I.E.L.D.' is 'family entertainment' Joss Whedon hands in Avengers 2 outline 'Dr Horrible' sequel to shoot in 2013? Joss Whedon on 'Avengers' TV spinoff Joss Whedon details S.H.I.E.L.D. TV show Joss Whedon for ABC 'S.H.I.E.L.D.' pilot Starz to make 'Spartacus' prequel?