Re: Avengers 2 and X-Men DoFP are both using Quicksilver and Scarlet Witch
Avengers 2 would have been rewritten anyway. Joss has only mentioned a first draft. At this point its just as likely that the twins are taken out as it is they stay in.
Deadpool 9.5 | Batman v Superman: Ultimate Edition 6.5 | Captain America: Civil War 10.0 | X-Men: Apocalypse 7.5 | Suicide Squad 7.0 | Doctor Strange 9.5
Tradition is just dead people's baggage.