Batman/Teenage Mutant Ninja Turtles Adventures is a six-issue intercompany crossover comic book miniseries featuring fictional heroes Batman (from the DC Animated Universe) and the Teenage Mutant Ninja Turtles (from the 2012 CGI series). The miniseries is based on a previous intercompany crossover titled Batman/Teenage Mutant Ninja Turtles between DC Comics and IDW Publishing, which was first announced during IDW's panel at the 2015 San Diego Comic-Con and released as a six-part monthly miniseries in late 2015 and early 2016.
Overview
The success of Batman/Teenage Mutant Ninja Turtles prompted the concept for a similar crossover story, with Batman's DC Animated Universe incarnation encountering the Amazing Adventures comic version of the 2012 CGI series' Turtles. Author Matthew K. Manning (Beware the Batman) and artist Jon Sommariva (Teenage Mutant Ninja Turtles: Amazing Adventures) were named as participants in the project. The concept was first introduced at the San Diego Comic Con in late July 2016, and was released in six issues starting November 9, 2016.
Plot
Premise
When villains start to mysteriously escape Arkham, Batman seeks to track them down. What happens when he discovers that they have left Gotham completely...and entered the TMNT's New York City?
Issues #1-5
One day, several inmates of Arkham Asylum have mysteriously gone missing from their cells. Batman tracks down one of the escapees, Two-Face, to his new hideout. When Batman questions him about how he and the others could escape from the facility, Two-Face, who has gone nearly apathetic, murmurs that he has seen a "new world without [himself],... without Batman, without Gotham" and draws the picture of a triangle on a dusty TV screen. Sneaking into Two-Face's cell in Arkham, Batman detects a triangular imprint consisting of a strange, plasmatic substance on the wall and retrieves a sample.
In said other world, after another nighttime patrol in the streets of New York City where Michelangelo has had fun with a thief (thereby quoting Batman's line "I am vengeance, I am the night" from the animated episode "Nothing to Fear"), Donatello is alerted by a scanning program on his computer telling him that the Kraang have activated another dimensional portal in the sewers. The Turtles and April follow the energy reading to its source and discover an active portal, just before they are ambushed by Clayface. When Michelangelo gives him the insulting nickname "Mudbutt", Clayface concentrates his attacks on the young Turtle, inadvertently moving back in front of the portal in the process. By opening a water outlet pipe, Donatello flushes Clayface back into the portal, which promptly vanishes.
Meanwhile, in the Batcave, Batman tries to trace back the origin of the residue he found in Dent's cell by adjusting his detectors for the energy frequency which generated the substance. When his computer detects another activation of that energy, Batman races off, ordering Alfred to call Robin for reinforcement. In New York City's Chinatown, two Foot-Bots stumble upon a large group of their fellows smashed to pieces by two new arrivals, who wish to see their boss: the Joker and his sidekick Harley Quinn. After meeting with the Joker and Harley in a Lower East Side warehouse and hearing the story of their arrival, the Shredder is not at all impressed by the two newcomers. When the Joker finds that the Shredder is not one to negiotate about surrendering the rule of the entire city to him, he incapacitates his opposite number with a dose of his laughing gas and takes control of the Foot Clan.
In the meantime, in Gotham City, Robin and Batgirl rendezvous with Batman to investigate the newly detected dimensional portal, while the Turtles and April do the very same on their side in New York's Central Park. As Michelangelo, incautious as ever, puts his hand through in order to feel what might be on the other side, he inadvertently ends up groping Batman's face, and the Dark Knight retaliates with a blow to Michelangelo's nose. This provokes a hostile reaction from Raphael when Batman's team steps through the portal, inciting immediate mutual hostilities; but the battle quickly grinds to a halt when a nearby jogger is attacked by Snakeweed. As the two teams prepare to engage the monstrous plant mutant, they encounter Poison Ivy, who has Snakeweed under her mental control. While the rest of the united teams keep Snakeweed busy, Robin and Raphael pursue and capture Ivy, who is subsequently dumped through the Kraang portal back into her native dimension, while Snakeweed faints once Ivy's control over him is gone.