Normally, Bell betrays Perseus and joins the CIA of their assault on Perseus' headquarters from the Solovetsky Islands, where by they wipe out the transmitters needed to ship the detonation signal. Later, Adler will take Bell out for A personal conversation, assuring them that their option to change towards Perseus https://youtu.be/8JWOoM942-E?si=UumOZy-4bMfnZOrO