A third possibility is a crossover based on a multiverse - breaking event. Maybe a powerful magic user accidentally creates a rift between the Arrowverse and the Marvel universe. This leads to a chaotic situation where heroes and villains are randomly shuffled between the two universes. The heroes then have to figure out how to put things right while also dealing with the new threats they encounter in the foreign universes.
One exciting plot could be that the Infinity Stones' power somehow disrupts the multiverse and creates a rift that connects the Avengers' universe with the Arrowverse. The Avengers end up in Star City and team up with the Arrow team to fight a common enemy, like a powerful sorcerer who wants to use the chaos to take over both universes. They combine their skills, with the Avengers' superpowers and the Arrow team's combat and archery skills.
In some fanfictions, there could be a plot twist where Black Lightning's powers are transferred to another character in the Arrowverse. This would force that character to adapt quickly and also change the power balance in the crossover. It could lead to new alliances and rivalries as everyone tries to figure out what to do with this new situation.
Perhaps a plot where Nightwing is framed for a crime in the Avengers' world. The Avengers initially think he's the bad guy but as they start to investigate, they realize there's a much bigger conspiracy at play. Nightwing, with his experience in being wrongly accused in Gotham, teams up with the Avengers to clear his name and stop the real villains. This would involve a lot of action as Nightwing has to prove himself to the Avengers while also fighting off the bad guys who are trying to stop them from uncovering the truth.
One exciting plot possibility could be Asura facing off against Darkseid. Their immense power levels would make for an epic battle. Asura's rage and his unique combat style against Darkseid's Omega Beams and his tyrannical rule would be a sight to behold. Another could be Asura teaming up with Superman. They both have a strong sense of justice. Asura could learn about a different kind of heroism from Superman, and together they could take on a common enemy like Doomsday. It would be interesting to see how their powers combine and what kind of dynamic they would have.
One exciting plot possibility could be a telepathic encounter. Maybe Jean Grey from X - Men senses the unique psychic energy in Smallville. She could be drawn there to investigate. This could lead to an encounter with Chloe Sullivan, who has her own mental abilities in the Smallville universe. Their meeting might result in a power struggle or an exchange of knowledge about their different worlds.
One exciting plot twist could be the unexpected alliance between characters from different Arrowverse shows against the Infinity War - like threat. For example, if The Flash's team joined forces with Supergirl's group in a completely new way. Another might be a character from a less - known part of the Arrowverse turning out to be the key to victory. Maybe a character from Legends of Tomorrow has a hidden power that can defeat the powerful villains in this fanfic version of Infinity War.
Definitely Iron Man and Felicity Smoak. Iron Man with his high - tech gadgets and Felicity with her computer skills would make a great pair. They could have some really fun banter while working together to hack into some super - secure system to stop the bad guys.
Well, one possibility could be Deadpool driving the Avengers crazy with his non - stop chatter and crazy antics. He might constantly break the fourth wall in the middle of a mission, making the Avengers wonder what on earth he's talking about. For example, he could start making jokes about how Captain America's suit is so old - fashioned compared to his own while they're in the middle of a fight against a powerful villain.
One interesting aspect could be how Spider - Man's agility and street - level skills blend with the Avengers' more high - powered abilities. For example, his web - slinging could provide a unique form of transportation or capture for the team during a big battle against a powerful villain like Thanos. He could also use his spider - sense to detect threats that the other Avengers might miss.
One exciting plot twist could be that the Infinity Stones have a different origin in this fanfic. Maybe they were created by an ancient race that both the Avengers and Guardians have to discover together. This would force them to work closely and share their knowledge.