The theory posits that Arthur Curry (Jason Momoa) was actually the one to pull him from the water (with the help of some whales), and while it wouldn’t necessarily create an enormous plot point for James Wan’s Aquaman, addressing this theory could help lend an even deeper sense of cohesion to this universe.
Long before the DCEU had turned into a proper, cohesive universe, fans had theorized that other heroes were out there waiting in the wings.
Besides, Momoa has already stated that the theory is canon (even though that doesn’t officially make it so), which means there’s inside support to make this a reality when Aquaman’s December 21 release rolls around.
In that regard, one of the oldest fan theories in the entire DC Extended Universe stems from the oil rig scene in Man of Steel, in which Clark Kent is mysteriously rescued after saving a group of men from the collapsing structure.