There's also the issue of Alex/Havok in First Class: Origins. Not as drastic as some of the other points mentioned in this thread, but in the comics, he is Scott's younger brother. Wikipedia quotes Bryan Singer as saying Alex "somehow [was] related to [Scott] in a way that works for the film."
I've read theories that Alex could be Scott's father, but that's another issue, as (and granted, I don't think they'll go this way in the movies) Scott and Alex's father was Corsair, who led the Starjammers after being abducted by the Shi'ar from a plane carrying him, his wife, and his two sons. Their mother strapped Scott and Alex into the one remaining parachute and saved them.
Where are those puppies when you need them?
So maybe Alex is Scott's father. If he is, then he'd better get busy getting busy on making Scott for him to be a high schooler in 1979. Unless, as previously suggested, we're forgetting Scott's involvement in X-Men Origins: Wolverine.
I've read theories that Alex could be Scott's father, but that's another issue, as (and granted, I don't think they'll go this way in the movies) Scott and Alex's father was Corsair, who led the Starjammers after being abducted by the Shi'ar from a plane carrying him, his wife, and his two sons. Their mother strapped Scott and Alex into the one remaining parachute and saved them.
Where are those puppies when you need them?
So maybe Alex is Scott's father. If he is, then he'd better get busy getting busy on making Scott for him to be a high schooler in 1979. Unless, as previously suggested, we're forgetting Scott's involvement in X-Men Origins: Wolverine.