UPDATE: What Was Teased In The Trailer Was Not Metal Gear Rising 2

Sony's PlayStation 4 trailer from the Taipei Game Show has some outlets speculating if a sequel to 2013's Metal Gear Rising: Reveangance is in the works.

Sankaku Complex reported that a mysterious looking "2" was inserted surreptitiously into the teaser. It was stylized similarly to the logo from Metal Gear Rising.

If this is what it seems, then it was hinted at before.

Metro reported that Metal Gear creator Hideo Kojima and Platinum Games--the developers of the first Metal Gear Rising--were getting "very pally" after the former tweeted several pictures of the two parties together.

In addition, Konami started surveying fans about a Metal Gear Rising sequel in 2013.

"If a sequel to Metal Gear Rising was available," stated Polygon, "Konami asks, what would players expect from the game? Up for consideration are human enemies (instead of cyborgs), online multiplayer modes, a sequel or prequel to the events of Revengeance, longer playing time, elements of romance and more."

Metal Gear Rising launched for PlayStation 3 and Xbox 360 in 2013. It was a well received by most media outlets--currently holding a score of 80 on Metacritic.

Among its innovations was the "blade mode" mechanic, which allowed the player to slow down the environment of the game and literally cut his or her opponent into ribbons.

Raiden, the protagonist of Metal Gear Rising, was also available in Metal Gear Solid V: Ground Zeroes via the "Jamais-Vu" mission add-on.

For more about Metal Gear Rising, visit its official website here.

UPDATE:

According to VG247, what was teased had nothing to do with a sequel to Metal Gear Rising.