2000 AD crossovers

2000 AD crossovers are crossover stories appearing in British comic 2000 AD, its sister title the Judge Dredd Megazine, and other related output, such as novels, audio plays, films and role-playing games.

Not all of the stories told in 2000 AD and its related publications exist in the same shared universe, unlike in some other comics, for example, the DC and Marvel Universes. Indeed the majority of stories which have appeared in 2000 AD since 1977 have never been connected with each other. However, the series which are so connected are generally the most significant ones in the comic in terms of the number of issues they have appeared in, their popularity with readers, and their significance in the history of the comic.

Those 2000 AD stories which occupy a shared universe and have crossed over with each other include:

Series can be linked to each other in either of two ways: crossovers and spin-offs. There are also combinations of both.

Firstly, series which were completely independent of each other when they were created – often by different writers, and sometimes even in different comics – were later linked to each other. This could be done either by a crossover story in which two or more characters from the respective series meet each other, or by a caption or piece of dialogue explicitly referring to events which occurred or characters who appeared in an earlier story in another series. Two examples of the former kind are the Judge Dredd stories "Top Dog" and "Judgement Day", which both featured Johnny Alpha from the series Strontium Dog in a major role. Alpha lived over half a century in Dredd's future, and the crossover was accomplished by having Alpha time-travel back to Dredd's era. An example of the second kind is the Judge Dredd story "The Cursed Earth," which featured a dinosaur called Satanus who was described as the clone of the offspring of the female dinosaur which had appeared in most episodes of the earlier series Flesh. Flesh was a previously unconnected series about humans time travelling back to the Cretaceous era to harvest dinosaurs for their meat.

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