In 'justice league vs the seven fanfiction', perhaps there is a new threat that forces both the Justice League and the Seven to compete for a resource that can defeat this threat. This resource could be something like a powerful magical artifact. The Justice League, with their values of justice and heroism, and the Seven, with their own motives, engage in a series of confrontations, both physical and strategic, to gain control of this artifact.
Well, it could be about a power struggle. Maybe the Seven have some new and dangerous abilities that the Justice League has to counter. It might involve battles across different dimensions as both groups have access to unique places.
For the Justice League, Superman, Batman, and Wonder Woman are almost always main characters. Their powers and leadership are crucial. From the Seven, Homelander would likely be a central figure as he is one of the most powerful and complex in the group.
In a 'naruto vs justice league fanfiction', Naruto might use his shadow clone jutsu to overwhelm the Justice League. His speed and combat skills could give the League a tough time.
One idea could be a misunderstanding that leads to a battle. Maybe a villain manipulates the situation so that Young Justice thinks the Justice League has turned evil. For example, the villain uses mind - control technology on some of the League members and Young Justice has to fight to save them.
One idea could be a misunderstanding that leads to a fight. Maybe the Justice League mistakes some of Young Justice's actions as being too reckless and end up in a battle. Then they realize they were wrong when a real threat emerges and they have to work together.
Well, a cool plot could be time - travel related. Say a device sends members of the Avengers back in time to the DC universe and they accidentally disrupt something that makes the Justice League think they're invaders. Or perhaps there's a villain who has the power to manipulate minds on a large scale and he turns the two teams against each other. Also, a plot where the two teams have to compete in a series of challenges set by an ancient being for some great reward, but the challenges are designed to make them fight each other.
A possible plot idea is that Batman discovers a dark secret within the Justice League that they are unaware of. This secret could be something that could potentially destroy the League or change their moral compass. Batman then has to decide whether to confront the League directly or try to fix the problem on his own, which causes the 'vs' situation as the League may see his actions as a threat.
One interesting plot could be Batman's distrust of the Justice League's unrestrained power leading to a full - on confrontation. He might secretly plan to take down each member one by one, using his intellect and prep time. Another could be the Justice League being mind - controlled and Batman having to fight them to break the control.
One idea could be that a powerful cosmic entity forces them to fight. It creates an artificial situation where they believe the other group is a threat to the universe. For example, it manipulates their perceptions so the Avengers think the Justice League is stealing powerful artifacts to control the multiverse, and vice versa.
A 'Naruto Justice League' lemon fanfiction might involve some wild crossovers. Maybe Naruto characters get superpowers similar to the Justice League members and there are some romantic or intense relationships. For example, Naruto could have Superman - like powers and have a complex relationship with a female character from either Naruto or Justice League universe. However, this kind of fanfiction often goes against the original canons of both series and is mainly for the fun of exploring new and different scenarios.
Well, it could be about Naruto being accidentally transported to the DC universe. The Justice League might initially see him as a threat due to his strange powers. Naruto, on the other hand, would be confused but ready to fight if needed. Maybe they start fighting, but then realize they have a common enemy like an evil organization that's causing chaos in both their worlds, and they team up in the end.