Re: Who's side are you on?
Ant-Man and Wasp are getting their own origin film right after A2, it doesn't make sense to have them in it and step on their own movie in the proces. Likewise with Doctor Strange. We know Black Panther really may be in it. Ms. Marvel...meh, after a certain point you're putting too many heroes in not to mention Ms. Marvel doesn't really solve the power punchy thing a whole lot.
The twins are the oldest Avengers sans the originals. So it makes complete sense that they should be in the sequel.
2013 - Iron Man 3 | Man of Steel | The Wolverine | Thor: The Dark World
2014 - Captain America: The Winter Soldier | The Amazing Spider-Man 2 | X-Men: Days of Future Past | Guardians of the Galaxy
2015 - The Fantastic Four | The Avengers: Age of Ultron | Batman vs. Superman | Ant-Man
TV - Arrow | Flash | Gotham | Constantine | The Avenger | Hourman | iZOMBIE |
TV - Agents of S.H.I.E.L.D. | Agent Carter | Daredevil | Luke Cage | Iron Fist | Jessica Jones | The Defenders