What could happen in a 'Supergirl meets the Flash fanfiction'?

In a 'Team Flash meets Supergirl' fanfiction, there could be an epic team - up. The Flash might use his super speed to save Supergirl from a kryptonite - powered trap. Then they could join forces to fight a common enemy like Lex Luthor or an alien invasion. The scientific minds in Team Flash could also help Supergirl understand some new aspects of her powers.

Perhaps in this fanfiction, Supergirl and Naruto meet during a crisis that involves both their universes. Supergirl's super strength and flight could complement Naruto's speed and stealth. They could start off as rivals, each thinking their way of doing things is better. But as they face challenges together, they would come to respect each other. Naruto could use his shadow clone jutsu to create diversions while Supergirl uses her heat vision to take out enemies. Eventually, they become friends and vow to protect both their worlds.

Well, she might show off her super strength and flight abilities to the Avengers. They could be both impressed and a bit wary at first. Maybe she'd team up with Thor and they'd have a friendly competition about who can fly faster or hit harder. Then she could also share her knowledge of different threats from her own universe with the Avengers, and together they could come up with new strategies to face common enemies.

Well, it could be a story where they team up to fight a common enemy. Maybe a villain who has the ability to manipulate time or something. Spiderman could use his intelligence to come up with a plan, and The Flash could quickly execute it with his speed. They would learn from each other's strengths and weaknesses along the way. For example, Spiderman could teach The Flash about using the environment to his advantage, while The Flash could show Spiderman how to move even faster in a fight.

Well, perhaps Harry could use his magic to help Supergirl when she's facing some kryptonite - induced weakness. His spells might be able to counteract the negative effects of kryptonite for a while.

In fanfiction, when Kara meets Lena, they might immediately become friends. Kara's superpowers could intrigue Lena, and Lena's intelligence might impress Kara. They could start collaborating on projects to help the city.

Lex Luthor could be a great main antagonist. He could be jealous of their combined power and see them as a threat to his plans of world domination. He might create some high - tech weapons specifically designed to counter their abilities.

Perhaps an interdimensional villain. This villain could be causing disruptions in both The Flash's and Supergirl's dimensions, forcing them to meet and join forces to stop it. The villain could have powers that are a challenge for both of their unique abilities.

One popular storyline is where Flash and Supergirl team up to fight a common, powerful enemy like a super - villain from another dimension. They combine their speed and strength in unique ways to save the world. Another is a more character - driven plot where they develop a romantic relationship. Flash's quick - witted charm and Supergirl's strong - willed nature make for an interesting dynamic. There are also storylines where they swap powers temporarily, leading to humorous and action - packed situations as they learn to use each other's abilities.

In this fanfiction, The Flash and Supergirl could start off as rivals. They both think their way of protecting people is the best. But as they face a common enemy that is too strong for either of them alone, they learn to work together and respect each other's abilities.