Its screenplay, written by Chris Thomas Devlin, was included in the 2018 the Black List, and follows a young boy, raised by overprotective parents, who suddenly hears noises coming from behind his bedroom wall.

Peter wishes to go trick-or-treating on Halloween night, but his parents forbid him due to the disappearance of a young girl in the neighborhood several years ago.

Carol and Mark had chosen Halloween as the day to imprison her and the girl who went missing years ago had been a trick-or-treater they murdered after she attempted to help Sarah.

His only chance to avoid sharing her fate is to kill them, which he does by slipping rat poison into their food and cutting the phone line so they can't call an ambulance.

In May 2020, it was reported that Samuel Bodin would direct Cobweb for Lionsgate Films,[11] and that Seth Rogen, Evan Goldberg, James Weaver, Roy Lee, and Jon Berg would produce it.

[12] In September 2020, it was announced that Lizzy Caplan, Antony Starr, Cleopatra Coleman, and Woody Norman would star in the film,[13][14][15][16] with principal photography set to commence in Bulgaria.

"[26] Variety's Dennis Harvey criticized the script and characters, but added, "Still, director Samuel Bodin's first theatrical feature is atmospheric, and departs from stock slasher conventions just enough to make for an entertaining if unexceptional scarefest.

"[27] Bob Strauss of the San Francisco Chronicle gave the film three out of four stars, writing, "Although derivative, Chris Thomas Devlin's script has enough sick, witty ideas to make the fearsome goings-on seem fresh and immediate.

"[28] The Hollywood Reporter's David Rooney wrote, "The influence of Linda Blair's famous spider walk from The Exorcist can be seen in some of the movement, and the title is a tip-off to the creepy-crawly creatures the house's clandestine resident has been studying to hone its lethality.

"[29] Monica Castillo of RogerEbert.com gave the film one out of four stars, writing, "While the strange and unusual world of Samuel Bodin's Cobweb has ample enough unsettling energy thanks to Philip Lozano's ominous cinematography, it fails to reach its scary ambitions.