Sure.
A portion of Forum Goers, including me, feel that the Dr. Strange in the preview is acting somewhat out of character.
A subset of that group, NOT including me, feel that this will turn out to NOT be Dr. Strange but someone masquerading as Strange, or someone mind-controlling Strange and that's why he's acting out of character.
A subset of that group hypothesis that the imposter might be a Skrull.
Explained.