Watch Full Movie Online. In the early 2010's, internet horror icon Slenderman became the centerpiece of a rapidly evolving artistic movement, forming what is known as 'The Slenderverse'. On the surface, the Slenderverse appeared to be a Marvel-style cinematic universe; an interconnected mythology of independent art projects. However, unbeknownst to the general public, creators congregated under the umbrella of the private 'Slenderverse Creators' community and formed an online artistic collective unlike any seen before at the time of its creation in 2011.