Invasion From Dimension X (1987) Reading Order

STAR Labs scientist Jack Soo created a super suit intended to be worn by a female sidekick for Booster Gold to expand his fanbase. Booster’s secretary, Trixie Collins, briefly wore the Goldstar suit, but didn’t take to being a superhero. Now, Booster’s twin sister, Michelle Carter, is about to take the suit out for a spin! But it’ll have disastrous consequences for her, Booster and the Justice League International, and it’ll all end in a clash with the Man of Steel himself… Superman!

Crossover: This Booster Gold storyline spins into Superman’s team-up title, Action Comics; the Omniverse Comics Guide has named the crossover ‘Invasion from Dimension X’ after the story featured in Booster Gold #21.

Spoilers: The issue descriptions and fallout section contain spoilers, so be warned!

Previous events that directly impact this story:

  • HALFWAY TO HOLOCAUST (1969) The Teen Titans journey to Dimension X
  • JUSTICE LEAGUE… INTERNATIONAL! (1987) – The League get a charter with the UN

Want to keep it simple? Here’s the chronological reading order without story descriptions, or spoilers; bold issues are ‘must-reads’:

  • Booster Gold #21-22
  • Action Comics #594
  • Booster Gold #23

Title, Issue & Synopsis
Action Comics #594 (pp.1-5)
Superman calls on Batman for help with a case. The Caped Crusader brings Robin (Jason Todd) so he can meet Superman for the first time. Batman agrees to study the scrap book the Man of Steel gives him and promises to update him in three days…
Booster Gold #21
Booster Gold follows clues left by an alien attacker, advice from Wonder Girl of the Teen Titans and Skeets’ tracking system to find a dimensional gate in the Metropolis Metrodome. Booster enters the gate and eventually breaks through to Dimension X where the alien residents offer him a sadistic choice! Will he save his dying sister – Michelle Collins who now wears the Goldstar suit – from their power-leaching equipment or save 38,000 people from an attack on a baseball stadium in Minneapolis from one of their Destructo Agents… 

1st appearance: Mackenzie Garrison 
Booster Gold #22 (pp.1-19)
Skeets frees Michelle Carter while Booster Gold returns to Earth and reunites with his Justice League International teammates to face the growing Destructo Agent. Booster uses his force field to explode the creature from the inside. He returns to Dimension X and destroys the alien tech before it can transport an army. But Michelle is killed in an explosion. Booster returns to Earth with only a piece of her costume…
Action Comics #594 (pp.5-10)
Trixie Collins can only watch as Booster Gold destroys a statue dedicated to the Man of Steel on Superman Day! Lois Lane attends a press conference held by Booster who calls out Superman as a threat due to his recent actions in Qurac

Title, Issue & Synopsis
Booster Gold #22 (pp.20-22)
24 hours after her death, Michelle Carter is given a service to mark her passing. Doctor Fate sends the grave into a timeless dimension on Booster’s behalf.
Action Comics #594 (pp.11-21)
Mayor Frank Berkowitz refuses to comply with Booster Gold’s demands to shut down Superday, so Booster kidnaps the Mayor’s daughter, Julianna Berkowitz, to draw Superman out. The amped-up Booster makes short work of Superman, with Lois Lane arriving in time to see the Man of Steel defeated…

1st appearance: Julianna Berkowitz
Action Comics #594 (pp.21-22) / Booster Gold #23 (p.1)
But then the real Booster Gold shows up…!
Booster Gold #23 (p.2-22)
Having heard about the impostor, the real Booster Gold arrives and destroys the ‘Booster Gold’ android, discovering a piece of Kryptonite at its core, which he keeps. The android’s creator, Lex Luthor, orders his agent Attack Dog One to retrieve the Kryptonite and make it look like Booster Gold International (BGI) was behind the incident. Later, Michael Collins attends Lex Luthor’s yacht party, taunts him and steals his date. Elsewhere, someone has drained BGI’s accounts.

See how this story fits into the wider DC Universe with these reading orders:

Must
Reads
Issue(s) & FalloutEvent / Crossover
Booster Gold #24 (1988)
Booster Gold, Skeets and Trixie Collins confront Mackenzie Garrison, believing her to be the one who drained Booster Gold International’s funds; however, Dirk Davis is revealed to have dained the accounts on behalf of the Manhunters and the 1000.
MILLENNIUM
Adventures of Superman #440 (1988)
Batman discerns Superman’s secret identity from the fingerprints on the scrap book.
DIFFERENT WORLDS
Action Comics #654 (1990)
Superman’s growing trust in Batman inspires the Man of Steel to give him Lex Luthor’s Kryptonite Ring for safe-keeping.
DARK KNIGHT OVER METROPOLIS
Lobo #5 (1994)
A new metahuman hero calling himself Gold Star (aka Ernest Widdle) emerges, though he has no connection to Michelle Carter.
Booster Gold #11 (2008)
Goldstar (Michelle Carter) is revealed to be alive!
Booster Gold #18-19 (2009)
It’s revealed that Rip Hunter pulled Michelle Carter from the explosion moments before her death; Michelle believes herself to be a glitch in time and flees back into the timestream.

Collected Edition TitleCollects…
Booster Gold: Future LostAction Comics #594
Booster Gold #13-25
Millennium #3-7 [pages]
Secret Origins #35 [part]
Superman: The Man of Steel vol.6 tpbAction Comics #594
Action Comics Annual #1
Adventures of Superman Annual #1
Booster Gold #23
Superman #12
Superman Annual #1
Superman: The Man of Steel vol.3 HCAction Comics #594-597
Action Comics Annual #1
Adventures of Superman #436-438
Adventures of Superman Annual #1
Booster Gold #23
Superman #12-15
Superman Annual #1
Superman: The Earth Stealers #1

Reading Order © Omniverse Comics Guide 2025

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