What issue of marvel comic.does Norman osborn take over shield?what issue does Tony stark get fired?

Near the end of Secret Invasion #8 (the last issue of the series), the president (of the USA) announces that Tony Stark is fired from S.H.I.E.L.D. and Norman Osborn is to head H.A.M.M.E.R. The Norman Osborn/H.A.M.M.E.R. story then continues in Dark Avengers #1.