"Namor the Sub-Mariner" movie will reportedly enter production sooner than expected. The news is yet to be confirmed but latest speculations claimed that two aquatic superheroes are going to film in Hawaii, one of which is apparently "Namor the Sub-Mariner."

First reported by Reel News Hawaii, a buzz sparked that two rival movie productions will hit the tropical island to shoot Aquaman and Sub-Mariner. The news is then followed by a report from Production Weekly that listed "The Sub-Mariner" as one of the movies currently in production.

For these reasons, fans speculate that Marvel is working on "Namor the Sub-Mariner" to rival Warner Bros.' "Aquaman." And before such speculations surfaced, it was already hinted by screenwriter Stephen McFeely that he wants "The Sub-Mariner" to be the company's next project.

In addition, Marvel Studios reportedly holds the right to "Namor the Sub-Mariner" according to a report by Movie Web. This adds more possibility that "The Sub-Mariner" is hitting production soon.

For the uninitiated, "Namor the Sub-Mariner" is a Marvel Comics title about a mutant sea superhero named Namor. He is the son of a human sea captain and a princess of the mythical kingdom called Atlantis.

Being a mutant, Namor has great superhuman powers that include aquatic and flight skills. He has the speed and power to breath underwater and the ability to fly.

"Namor the Sub-Mariner" is a great Marvel counterpart to "Aquaman." Both superheroes have proven their aquatic powers and it will be interesting to see them in two separate movies soon.

Meanwhile, "Aquaman" the movie recent updates say that filming is set to start this summer. The cast will have to move to several locations such as London, Australia and Italy for the film, reportedly.

Warner Bros. has not confirmed the report that "Aquaman" is filming in Hawaii as stated above, however. That said, speculation about the production of "Namor the Sub-Mariner" and filming of "Aquaman" in the country should be taken with skepticism until both companies confirm the news.