*Cover A
**Devastator (robot form; Decepticon Constructicon combined) is right of Blitzwing and Sunstreaker.
**Laserbeak (bird and cassette form; Decepticon Mini-Cassette) is in front of Devastator's right knee and in mid-air between Devastator and Soundwave.
**Skywarp (jet form; Decepticon) is above Devastator and right of Sunstreaker.
**Cosmos (UFO form; Autobot) is right of Skywarp.
**Predaking (robot form; Decepticon Predacons combined) is right of Cosmos.
**Swoop (pterodactyl form; Autobot Dinobot) is left of [[Slimer]]'s right arm.
**Snarl (triceratops form; Autobot Dinobot) is left of Slimer's head.
**Sky Lynx (dinoblast form; Autobot) is above Slimer.
**Perceptor (robot form; Autobot) is in front of Devastator's right leg.
**Mirage (robot form; Autobot) is right of Perceptor.
**Skyfire (robot form; Autobot) is right of Mirage.
**Bumblebee (robot form; Autobot) is right of Blitzwing.
**Soundwave (robot form; Decepticon Chief Intelligence Commander) is right of Bumblebee.
**Slimer
**Thundercracker (F-15 Eagle form; Decepticon Seeker Commander) is right of Slimer.
*Cover B
**Ectotron and Optimus Prime appears with the Ghostbusters.
*Cover RI
**The schematic is of Ectotron.
*Page 1
**The narrator mentions the Ghostbusters' bust in Brooklyn and the discovery of Starscream's escape from last issue.
**The narrator mentions the Firehouse.
**Optimus Prime is now in the same color scheme as the Ecto-35 figure.
**In panel 2, the satellite array is a component stolen at the start of the Transformers episode "Heavy Metal War"
**In panel 2, the vehicle behind Ectotron is the Cage Car toy that accompanies the Playmobil Real Ghostbusters Egon Spengler figure that released on April 13, 2018.
**In panel 2, the console right of Optimus has stills from:
***Left Top: Glimmer at the start of the Transformers season 1 (1984) title sequence
***Left Bottom: The light blue "We know return to Transformers" (1984) commercial bumper featuring Starscream
***Middle Top: Mt. Saint Hilary in the Transformers season 1 (1984) title sequence
***Middle Bottom: Schematic of a Skywarp's jet mode after he's the first scanned in the Ark in the Transformers episode "More Than Meets the Eye, Part 1"
***Right Top: The blue "We will return to Transformers" (1985) commercial bumper featuring Omega Supreme.
***Right Bottom: The orange "We will return to Transformers (1984) commercial bumper featuring Optimus Prime.
**In panel 3, the toolbox has stickers of:
***One of the unused No Ghost logos from production during the first movie.
***The WUGH'S logo from The Real Ghostbusters episode "Mr. Sandman, Dream Me a Dream".
***Luis Delgado's 15 easter egg.
**In panel 3, by the Trap is the Mitsubishi Ghostbusters Halloween Crackers box.
*Page 2
**Winston alludes to not believing in the supernatural before he joined the Ghostbusters.
**Optimus Prime mentions the Spark. The Spark is the soul of a Transformer.
**Peter mentions Janine.
**Peter mentions shrinking. Among the Transformers fans, it was often debated how the Transformers' sizes varied between their forms leading to the headcanon term subspace. The IDW canon refers to it as mass displacement.
*Page 3
**Optimus mentions being vandalized and Peter's "When in Rome" quote from last issue.
**Peter alludes to the 1977 Pontiac Firebird Trans Am and wardrobe from the "Smokey and The Bandit" movies.
**In panel 4, on the two monitors once again stills from the Transformers animated series' commercial bumpers:
***Top: Commercial bumper featuring Trypticon (1986).
***Bottom: Commercial bumper featuring Shockwave (1985).
*Page 4
**Peter exclaims "Dah!" like in the first movie.
**The Ghostbusters work on equipment that Ectotron and Optimus have in their recent tie-in figures.
*Page 5
**Like the Ghostbusters did in the first movie, Ectotron blows something up the first time he uses his Proton Pack.
**Peter mentions Janine again.
**In panel 3, on the monitors are:
***Left top: Schematics of Snarl from the Transformers episode "War Of The Dinobots"
***Left bottom: Schematics of Swoop from the Transformers episode "War Of The Dinobots"
***Middle top: The "HYPNO-CHIP CONTROL" screen from the Decepticon lab near the end of the Transformers episode "The Ultimate Doom, Part 2".
***Middle bottom: The graphic about implanting the Hypno-Chip from the Decepticon lab near the end of the Transformers episode "The Ultimate Doom, Part 2".
***Right top: A schematic of Swoop from the Transformers episode "War Of The Dinobots"
***Right bottom: A schematic of Snarl from the Transformers episode "War Of The Dinobots"
**In panel 5, continuing from Crossing Over, the Containment Viewer from The Real Ghostbusters episode "X-Mas Marks the Spot" and "When Halloween Was Forever" makes a non-canon cameo on the console.
**In panel 5, on the monitor is the schematic of Scrapper from Teletran from the Transformers episode "Heavy Metal War"
*Page 6
**In panel 1, to the left is the Roosevelt Island Bridge.
**In panel 2, the 555-2368 phone number on Optimus Prime's vehicle form is the Ghostbusters' phone number seen during their commercial in the first movie.
**Based on the location of the Roosevelt Island Bridge and the design of the station, Grosbreak Generating Station is a stand-in for the Ravenswood Generating Station.
*Page 9
**Kremzeek mentions the Allspark, which Ectotron later explains is a Cybertronian artifact that gives life to the Transformers.
**The sprites appear in different colors like when the Kremzeek multiplied in the Transformers episode "Kremzeek!"
**Kremzeek alludes to the sprite dispersed in Issue #2.
*Page 10
**Kremzeek references the destruction of Cybertron and the bargain seen in Issue #1 and Issue #2.
**Kremzeek alludes to Gozer.
**Like Gozer, Kremzeek has at least one title.
*Page 11
**Ray mentions Gozer.
**Winston mentions Central Park and blowing up the Stay Puft Marshmallow Man in the first movie.
*Page 14
**Ray mentions the Boson Caster, an add-on devised by Ron Alexander.
**Ray mentions trapping the ghost last issue.
**The imagery of the Psychomagnotheric ectoplasm in the canister resembles the TGRI canister from the Teenage Mutant Ninja Turtles franchise.
*Page 15
**Peter alludes to the power outage Ray caused in the second movie.
*Page 16
**Once again, the ghost is visually based on Killerwatt from The Real Ghostbusters episode "Killerwatt".
**In panel 2, there is the blue Con Edison sign, a company who came up in both movies.
*Page 17
**Ray cites Coulomb's Law which quantifies the amount of force between two stationary electrically charged particles.
*Page 19
**Optimus Prime mentions Starscream's plea for a new body from Issue #2.
*Page 20
**Optimus Prime invokes his war weary trait.
**Optimus alludes to Grimlock and him saying he was afraid of no ghost last issue.
**Optimus' Proton Axe is similar to the Energon Axe he used in the Transformers episode "More Than Meets the Eye, Part 2".
*Page 21
**Cover A from Issue #5 is previewed.
This Post Contains Spoilers