Sci-Fantasy: Compilation of evidence supporting the canonicity of Charles/Erik masterpost

scifantasy:

James McAvoy Quotes

Daily Telegraph
“Michael Fassbender is incredible, and really strong—and sexy.” McAvoy added that he and Fassbender decided to work out the textures of their on-screen relationship to give the film heart and make it “more than an action movie.”
SUNfiltered

“He’s [Xavier] just been paralyzed and he’s been betrayed by the person who he’s probably come to care about more than anybody else in the world, and he’s the guy who did it to him.”

Source

Sir Ian McKellen Quotes

Source

Zach Stentz (XMFC screenwriter) Quotes

Ashley Miller (XMFC screenwriter) Quotes

”If the story between Charles and Erik is on some level this… you know, tragic romance, you’ve got to arrange the other elements in that way too.”

- X-Men: First Class Blu Ray special features

Because Science
“The chess scene aside, from the standpoint of sexual imagery, I think the ‘satellite dish’ [scene] is the film’s richest. Charles even asks Erik’s permission to penetrate him! So polite. And then they meld each other’s brains out.”
— Professor William Earnest, quoted by E!Online (source)

Comic Canon

“You were too good for this world, Charles. But I… I am precisely what it deserves.”
— Magneto, Civil War: House of M

“I don’t know about you, but the first time I met another adult mutant was like being hit by a thunderbolt. Far, far more powerful than being in love and our human lives knew it.

Our eyes were brighter. Our minds were faster. Sometimes we could spend seventy-two straight hours on the telephone just talking about our ideas for the world.”

- Charles Xavier on meeting Erik Lehnsherr, Ultimate X-Men #16

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(If I have overlooked anything, please feel free to reblog and add.)