Fans noticed the slip though, with one writing in the comments: "James Marsden teases his return as Cyclops in Deadpool & Wolverine?" Another added: "God please I want James Marsden back even if ...

But the joke is on them, because Cyclops being an NSYNC fan makes him infinitely cooler, as seen by how badass Deadpool looks dancing along to the song in the opening of "Deadpool & Wolverine." ...

Spider-Man's long-dead love interest is back as the new Gwenpool, but not to be confused with either the other Gwenpool, or that one time she was on a cover as a Gwen Stacy version of Deadpool.