This seems like it'd be a 10 minute prologue at best and would do a pretty decent job of establishing tension before Leon rolls in and starts killing the locals.
They should have just cut Ashley from the game and have us save the President's mistress instead who has some top secret info, who then turns out to be a spy. Then Leon has a love hate relationship with her as well including a threesome scene with ADA at the end.
Yes, this is why Im not in the game writing industry and have an OF with male feet showcase instead.