Gotham Goes Green: Poison Ivy Unleashes Eco-Terror in Batman: Bad Seeds

DC Comics is gearing up for a cataclysmic summer 2026 with the official announcement of Batman: Bad Seeds. This ten-week, city-wide crossover event sees Poison Ivy plunge Gotham into an ecological nightmare, and it all kicks off in August.
Showrunners Matt Fraction (known for his acclaimed Hawkeye run) and G. Willow Wilson (who’s been redefining Poison Ivy in her celebrated solo series) are at the helm, promising a tightly woven narrative. This isn't just a side story; it's a full-scale takeover. Poison Ivy, now Gotham's mayor, makes a desperate power play, transforming the city with prehistoric plant life. Imagine Gotham's iconic skyline swallowed by carnivorous flora, its streets teeming with mutant vegetation.
The plot twists further with Vandal Savage as Police Commissioner, commanding a militarized force. The Bat-Family finds themselves hunted, on the run, and separated, with Barbara Gordon even reportedly imprisoned. The entire event unfolds over "one long, dark night" of chaos and survival, spreading from block to block, title to title, as Ivy's plants mutate the city around its inhabitants.
“Poison Ivy unleashes a desperate act of eco-terror that transforms Gotham into a hostile landscape of prehistoric plant life.”
Catzye Take
This event is a huge play for DC, leveraging Poison Ivy's popularity into a city-spanning epic. Fans should expect high stakes and a drastically altered Gotham. It's also interesting to see such a clear, focused timeline for a major crossover, suggesting a tightly plotted narrative from the start.
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