One of the great things about the post-DC Rebirth era is that almost nothing is off limits anymore, and creators can play with the full history of the DC Universe in a way that they couldn't during The New 52 era. That's led to some exciting and surprising returns of characters, but September's Harley Quinn #50 by Sam Humphries and John Timms, plus unannounced guest artists may have everyone else beat in terms of deep cuts.

When the titular anti-hero accidentally breaks the DC Universe, it's up to her to put it back together again by fixing all the continuity errors she made. Luckily, Harley's going to have help from none other than Jonni DC, Continuity Cop!

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Continuity Cop

Jonni DC was first introduced in Ambush Bug #2, and her role in the story is pretty much exactly what it sounds like. Ambush Bug was ahead of its time when it came to breaking the fourth wall and making fun of the industry; it told the kind of jokes that Deadpool would become famous for fifteen years later. Jonni DC was a way for Keith Giffen and Robert Loren Fleming to make fun of DC staff and fans alike for their strict adherence to the publisher's sometimes confusing continuity; in her first appearance it's noted that she's "sick of being on the phone with Roy all the time," a joke at the expense of the notoriously continuity-minded Roy Thomas.

Jonni only ever appeared in Ambush Bug stories. In 1986's Ambush Bug Stocking Stuffer, she was seen digging up heroes to verify their deaths, noting a back-log in such work since the recent Crisis on Infinite Earths while in 1992's Ambush Bug Nothing Special, she's fallen on hard times, forced to sell knock-off Eclipso diamonds to survive.

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Her most recent appearances were a decade ago in the Ambush Bug revival series, Ambush Bug: Year None where she was killed off in the first issue, which parodied the women-in-refrigerators trope and set Ambush Bug on a quest to solve her murder. She reappeared in the series' final issue Ambush Bug #7 (of 6) as a Black Lantern, suggesting that perhaps Ambush Bug killed himself to also become a Black Lantern and gain a chance at relevancy, while also making a joke about Greg Rucka's dramatic exit from DC.

While we don't have much in the way of Ambush Bug stories anymore -- although Brian Michael Bendis might have something to say about that -- Harley Quinn has taken Bug's role as the fourth-wall breaking slapstick comedy hero, so it makes sense for Jonni DC, Continuity Cop to make her reappearance in Harley's landmark fiftieth issue. With a trip through the DC Universe in order to fix continuity errors on their plate, expect plenty more obscure-as-heck characters to make an appearance because if Jonni DC can come back, anyone can.

Check out the full solicit below:

HARLEY QUINN #50

  • written by SAM HUMPHRIES
  • art by JOHN TIMMS and others
  • cover by AMANDA CONNER
  • variant cover by FRANK CHO
  • In a special anniversary story, “Harley Saves the Universe!”—no kidding! While reading a mysterious Harley Quinn comic book, H.Q. accidentally breaks all of reality. And you know the saying: if you break it, you bought it! Now it’s up to Harley to travel through both time and space to fix all the continuity errors she created. Luckily, she’ll have a little help, ’cuz riding shotgun is none other than special guest star Jonni DC, Continuity Cop! Good thing, too, because if Harley fails, it means her own mom will be lost forever. Gulp! That doesn’t sound very funny! ON SALE 09.19.18
  • $4.99 US | 48 PAGES
  • FC | RATED T+
  • This issue will ship with two covers.
  • Please see the order form for details.