In one world, Cossack heard about Albert Bridge and looked the other way. In another, John Rider found a stray assassin on his doorstep. An AU told in snapshots for the Alex Rider Big Bang.
Alex always knew his curiosity and impulsiveness would get him into trouble. It got him tangled up with MI6, after all. He hadn't expected it to land him in the middle of SCORPIA as Yassen Gregorovich's apprentice. No pairings, AU after Skeleton Key.