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.
Logan 9.0 | Guardians of the Galaxy Vol. 2 X.X | Wonder Woman X.X | Spider-Man: Homecoming X.X | Thor: Ragnarok X.X | Justice League X.X
Tradition is just dead people's baggage.