For the neo-axis vs multiverse readers who don't know the nostalgia characters are,go to my nostalgia story to for info.

Dr.mixer was listing to some music and was playing on a video game.his friends were doing there own thing.then werespider heard something and notice a portal appears from far away in the middle of the city's street.

Dr.mixer:(he then notice the portal)huh?

It's was an WW2 German officer named gesto

With an nazi and Japanese army behind him.they started to attack,people ran away from them.

Dr.mixer:ah shit we got a nazi invasion.

Zero:somehow they created a device to travel other universes.

Dr.mixer:whatever plans they have for us,we ain't gonna let them success.(he ran to action and jump then kick the soldiers in the head each in a row)

Zero fly to them and blasted at them.werespider slashes the soldiers,grab a nazi solider and use him to smack the other soldiers.he use his fire breath to burn a bunch of nazi soliders.

Dr.mixer:hey you nazi douches!too bad Hitler ain't here to see y'all get your assess kicked!

The soldiers started to shoot at him but he dodge them and use his blue  flames power to blast at them.davey fly around and use his claws to cut them when he fly by them.the team easily defeated half the army and then more portal appears with more soldiers,axiscons,airplanes,tanks,tf2 bots,and top hats airship.

Dr.mixer:oh shit!zero take davey with you to protect the civilians and call for backup,me and werespider got this!

Zero and Davey ran off,while dr.mixer and werespider fight off neo-axis army.dr.mixer pull out some guns and shoot at them.then a solider bot shoot a rocket at dr.mixer and werespider that blew them away.dr.mixer then land on a portal.

Werespider:zach!

Dr.mixer is going though portal and he sees vision of the nazi invading other universes where they take them as prisoners and kill innocent people.

Dr.mixer:oh gggooooOOOOOOOOOOOOOOOOOOODDDDDDDD!!!!!!!!

then he got into another universe.

To be continued.