X-Men #35 is a Silver Age comic book published by Marvel Comics in 1967. It features the X-Men superhero team, including Cyclops, Beast, and the first appearance of Changeling. The issue also includes a guest appearance by Spider-Man (Peter Parker). The comic has been professionally graded by Certified Guaranty Company (CGC) with a certification number of 4389284012. The writer of the issue is Roy Thomas.