A clash between two comic book movies wasn’t a matter of if but when. Now that Avatar 2 has been pushed back, studios have set their eyes on the winter holiday release.

And for Sony and Warner Bros. they have decided to mark their calendars to release their respective films — the untitled animated Spider-Man movie and Aquaman — on December 21, 2018. That means, we are getting our first Marvel vs DC showdown at the theaters. More on the story below.