Main protagonist shrinks to fight another dude who shrinks, and later is called out for being full of shit.

Ant man

Correct.

Did you like the end part I added?

I didn’t even register you had a curse so umm *throws shield* language!

3 Females and a Male wants to kill the Females Adopted Father and the male former Best Friend.

@IronWidowMaikuB I feel like it has something to do with Thanos...

Wrong lol.

@IronWidowMaikuB black widow

Yep