Imagine Venom being in the MCU. So he finds out about Peter P and how the Avengers allow him to fight alongside with them. And he just doesn't agree with them so when day he decides to kidnap Peter.
Peter: Umm Mr Brock, why did you bring me to this warehouse?
Eddie: Sorry kid Venom made me.
Tony 'dramatic' Stark: *bursts through the ceiling* GET YOUR HANDS OFF MY SON YOU PARASITE!!!
Eddie: WHO YOU CALLING PARASITE?! HE'S MY BOYFRIEND!!!
Tony: WHO CONTROLS YOU HALF OF THE TIME.
Eddie: ITS A TOUGH RELATIONSHIP!!
Lil Peter: gUyS cAn YaLl StOp FiGhTiNg PlEaSe.
Venom: My child... we are not fighting...we're opposing!?
Peter: *under his breath* sounds alot like fighting too me...
Eddie: So... is anyone hungry? How about we eat at McDonalds... my treat
Venom: HAPPY MEALS
Tony: Sure why not i am feeling kinda hungry... how bout you kid?
Peter: MCDONALDS, MCDONALDS
Tony: Ok then lets go