There are indeed male Poison Ivy fanfictions. These can range from action - packed adventures where a male character teams up with Poison Ivy against a common enemy, to more character - driven stories that explore her psyche and how a male character might interact with her. Some might also be set in alternate universes where the dynamics between male characters and Poison Ivy are completely different from the original comics.
Yes, there are some. You can start by looking on fanfiction websites like Archive of Our Own. There are often different takes on the character of Poison Ivy in relation to male characters in these fanfictions, exploring various storylines and relationships.
Chapter 230, "To use one's own method against them.", is the clearest early answer because it turns Father Shang's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Shang Shaojing's expression wasn't looking too good either.
Chapter 614, "Storm Crisis", is the clearest early answer because it turns Team's situation into a concrete plot event. It opens with Today, the wind on the island was stronger, and for safety reasons,... and closes on He slightly raised his head and met Pei Ye's dead eyes, his scalp....
Chapter 291, "To Hell with Sister Complex!", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. The chapter turns that into something concrete by moving from Early in the morning, Jiang Li's hospital room door was knocked.
Chapter 254, "Madwoman! She is definitely a madwoman!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. It opens with Just when everyone thought that Jiang Yan wouldn't last long and...
Chapter 652, "He's Gu Shengrong's Grandson?!", is the clearest early answer because it turns Gu Shengrong's situation into a concrete plot event. The chapter turns that into something concrete by moving from The propellers lifted off again, and Team Q was already on their way...
Chapter 344, "Actually has one million fans?!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. It opens with Just as he was about to slip into sweet slumber and catch up on some...
Chapter 360, "There's No Shame in Wearing a Dress Designed by Your Mother", is the clearest early answer because it turns Mr's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Li showed no fluctuations in emotion and remained unperturbed...
Chapter 388, "All the Rich People in Jing City Are in Jiang Li's Live Room", is the clearest early answer because it pushes Gu Yu into a new phase or setting. It opens with what, what do you plan to do?" Gu Yu's false identity was never meant...
Chapter 140, "Did Jiang Li Finally Crash?", is the clearest early answer because it turns Shu Yan's situation into a concrete plot event. Early on, In the evening, the setting sun was like blood, dyeing the entire.... By the end, I was just joking, just joking." Seeing that Wen Jiaojiao had no....
Chapter 371, "Oh, Isn't This an Old Acquaintance?", is the clearest early answer because it turns Jin Siyue's situation into a concrete plot event. The chapter gives readers a real answer by opening on #He Yun Thanks Jiang Li# #He Yun Bows# #LiHe CP# The interview wasn't...