Trailer is out!  So let's Breakout the full story.

Ant-Man and The Wasp: Quantumania

Scott received a call from Cassandra who is in jail due to some criminal activity, she doing some stupidity in 25% of movie 

Scene #1

Image source - Marvel

In next scene Cassandra get bail from jail but she was not happy because her life is going boaring day by day

Scene #2

Image source - Marvel

she went to her dad's lab and doing some experiments she thinks like they are a toy and open way of Quantumania portal

Scene #3

Image source - Marvel

Then Scott comes and scolds Cassandra, but then the portal opens and pulls gravity towards him, due to which both father and daughter go inside it

Scene #4

Image source - Marvel

Now both are in quantum verse and there they see that there are many species living here, Scott didn't know about this till date, now there goal is to get out of here

Scene #5

Image source - Marvel

Scott learns there are some laws and rules they have to follow, and once he's here he has to stay but he didn't know this is where kang is trapped

Scene #6

Image source - Marvel

After that we see Kang, in which we come to know that his ship is broken and he is trapped, now he needs the help of Ant man to get out of here, on which he makes a deal

Scene #7

Image source - Marvel

This girl tells Ant man that Kang is a big cheater, he has cheated everyone and I have trapped him here

Scene #8

Image source - Marvel

Ant man does not listen to that girl because Ant man's only goal is to save his daughter, and he is ready to fight Kang for her

Scene #9

Image source - Marvel

Here Cassandra was thinking that they are here because of her mistake and she needs to do something

Scene #10

Image source - Marvel

As it seemed, Kang betrayed Ant man after his work was done, but Ant man thought of fighting him, after which the fight between the two started

Scene #11

Image source - Marvel

Kang's strength was more due to which Ant man was not able to win from him and in the last kang conquered Ant man but this is just theory

Scene #12

Image source - Marvel

Cassandra comes to help Ant man and fights with him against kang

Scene #13

Image source - Marvel

After final battle Cassandra is safe and in home but Scott trapped in quantum verso

Scene #14

Image source - Marvel

All the explanation in this story are not true this is just a fan base theory and final story line can be different.

Conclusion

Image source - Marvel