Ok, this is my idea for the Intro of the movie...
Setting: 1944, some God-forsaken European field, muddy and dirty.
You see lots and lots of soldiers going for cover, as they're being attacked by an unseen menace.
Bullets flying around everywhere, kind of like at the beginning of SPR, only worse!
Soldiers have nothing to protect themselves so they're constantly going down, looking for cover or hiding behind tanks.
You focus on a certain group of soldiers hiding behind the rests of a tank and the superior is yelling like a madman, using that telephone/backpack thing... "WE'RE BEING SLAUGHTERED!" and stuff like that.
Suddenly, amongst all that chaos, you see a figure running at full speed, right in front of that group of soldiers behind the tank.
You don't actually get to see it clearly, it's just a blur, as the camera would be fixed on those soliders.
One of them goes bananas and screams "SARGE! SARGE! LOOK AT THAT!" or something and the Sarge goes like "What the hell do you wa...." and then he sees "him".....
He goes "KEEP FIGHTING! KEEP FIGHTING, MEN!", and everyone around listens, and the tanks start moving forward! The Sarge makes some hand gestures at some other superiors around the field, and everyone starts moving....
Then you get to see a shot of a pair of millitary boots running at full speed (you get to see a little blue above them), and at the same time you keep hearing bullets and lots of "CLANG!" noises.
Then you get to see a shot of the back of this person while running at full speed, and you get to see a little more detail....
He has a millitary backpacb, and his clothes are muddy as hell, but you realize they're blue.....
You get to see a REALLY FAST shot of him from the front, but it's more like a blur, because he lifts this shield to protect himself (muddy and dirty, but you recognize the shield) and again, you barely get to see him....
Then we continue to the sideways shot (you get to see his feet running), and then the camera pans out and you see this HUGE Nazi mechanical tank with machine guns everywhere, like a 100 yards from him.
All of this time, he's running AT FULL SPEED, so he gets closer and closer to this thing. And there's no music, so you only get to hear this person panting.
The idea is that as the camera pans out, you get to see a full shot of him and the bottom of this huge tank, but by now he starts to look really small, because the camera pans out, and the image starts to fade away, and as it's fading away, you the the little figure jumping and climbing this machine, and then, the image fades out...
This scene would last about 15-20 minutes....
Then you see "A few years back..." or whatever, and you get to see the origin.
After dedicating some time to the origin (30-45 minutes), you return to the tank battle and the rest of the movie, which would have to deal with the battle against Red Skull.