One possible plot could be that a powerful new villain emerges that threatens both the Marvel Universe and Wonder Woman's world. The Avengers and Wonder Woman cross paths while investigating the strange occurrences related to this villain. They initially have some clashes due to their different methods and cultures, but then realize they need to work together. For example, Iron Man might be impressed with Wonder Woman's indestructible bracelets and try to analyze them, while Wonder Woman could learn about modern technology from Stark. Eventually, they combine their powers and skills to defeat the villain.
A plot could involve a magical artifact that has the power to disrupt the fabric of reality. It gets lost in the multiverse and lands in both the world of the Avengers and Wonder Woman's realm. The two groups start to search for it independently, but as the chaos caused by the artifact spreads, they realize they must collaborate. Wonder Woman's superhuman strength and combat skills, along with her lasso of truth, would be a great asset to the Avengers. And the Avengers' diverse powers like Thor's lightning and Captain America's leadership would complement Wonder Woman well in their quest to find and secure the artifact.
Maybe there's a threat from an ancient evil that was once sealed away but is now awakening. The Avengers are alerted to strange energy signatures, and at the same time, Wonder Woman senses a disturbance in her world. They come together and find that the evil has ties to both their histories. For instance, it could be related to an old Asgardian - Amazonian conflict in the past. The Avengers and Wonder Woman have to dig into their respective mythologies to find a way to stop it. They face challenges like mistrust from their own people for teaming up with outsiders, but they overcome these to save both their worlds.
Another aspect could be the power dynamics. The Hulk's raw strength against Wonder Woman's strength and combat skills. Hulk might initially see her as a threat and lash out, but she could use her lasso of truth to calm him down. Black Widow could teach Wonder Woman some of her spy and infiltration techniques, which could be useful in a more covert mission against a new villain that emerges from the crossover of their two universes.
Maybe there's a powerful ancient artifact that has been stolen and is being used for evil purposes. This artifact has the power to disrupt the balance between different realms. Spiderman discovers some strange happenings in the city related to the artifact's power, like buildings randomly changing shape. Wonder Woman is also on the hunt for the artifact as it was stolen from a place under her protection. When they meet, Spiderman is initially in awe of Wonder Woman's strength and beauty. They team up, with Spiderman using his acrobatic skills to navigate through dangerous traps set up by the villains protecting the artifact, and Wonder Woman using her lasso of truth to find out where the artifact is hidden.
One possible plot could be that Naruto is somehow transported to the DC universe. He meets Wonder Woman and they have to team up to stop an enemy that is using a combination of chakra - based jutsu and advanced technology from both their worlds. Naruto's ability to sense and manipulate chakra could be a great asset in the DC universe filled with various super - powers.
The interaction between Thor and Wonder Woman would be really interesting. They both have a connection to the gods in their respective universes. Thor could be curious about Wonder Woman's origin as an Amazon and her relationship with the Greek gods, while Wonder Woman might be intrigued by Thor's Asgardian powers and his hammer Mjolnir. Another interesting interaction would be between Hulk and Wonder Woman. Hulk's raw power against Wonder Woman's grace and combat expertise would make for some intense scenes, either in a sparring match or when facing a common enemy.
One possible plot could be that a powerful villain from another dimension threatens both the DC and Marvel universes. Superman and the Avengers have to put aside their differences and combine their powers. For example, Superman's super strength and flight could be paired with Thor's godly abilities and Captain America's leadership. They could start off not trusting each other, but as the battle progresses, they learn to work together and defeat the villain in an epic showdown.
One possible plot could be that the Avengers are somehow transported to the Naruto universe. They team up with Naruto and his friends to fight a common enemy like Kaguya who has somehow obtained the Infinity Stones. The Avengers' powers and technology would be a huge shock to the Naruto world, and they'd have to learn to combine their skills to succeed.
A cool plot could be that a villain creates a device that can manipulate time. This device causes chaos as it starts to merge different timelines. Spider - Man gets caught in the middle of this temporal mess while on a normal patrol in New York. He then reaches out to the Avengers for help. The Avengers, who have experience with time - related issues from previous adventures, team up with Spider - Man. Thor uses his lightning to disrupt the device's power source, while Spider - Man swings in to physically disable it with the help of Black Widow's combat skills. In the end, they manage to restore the timelines and save the day.
A possible plot could be that there is a powerful and mysterious force that is causing chaos in different parts of the world. Both Lara Croft and Wonder Woman are independently investigating it. Eventually, they meet and decide to team up. They travel to different locations, from ancient ruins to modern cities. During their journey, they exchange stories about their past adventures and develop a mutual respect. They then use their combined knowledge and powers to track down the source of the chaos, which turns out to be a mad scientist who wants to use the power of the gods for his own gain.
A good crossover story idea could involve a cosmic entity that is causing chaos in both the DC and Marvel universes. Wonder Woman, with her Amazonian strength and wisdom, teams up with the Avengers, each bringing their unique skills to the table. For example, Captain America's leadership and combat skills combined with Wonder Woman's combat prowess would make for an interesting dynamic. Or perhaps a villain has found a way to merge the two universes in a dangerous way, and the only way to stop it is for the Avengers and Wonder Woman to find a way to separate them again while also dealing with the new threats that have emerged from the merge.
Well, a great plot could be that the Infinity Stones start to mess with the fabric of reality and it creates a portal between the Naruto universe and the Marvel universe. The Avengers and Naruto's friends end up in each other's worlds. Naruto and the Avengers have to work together to fix the portals and return everyone to their proper universes. Along the way, Naruto might have some epic battles with villains like Loki, using his ninja speed and strength. And the Avengers could learn a thing or two about chakra from Naruto and his friends.