If you need to deploy Internet Explorer 9 using the Configuration Manager OSD Task Sequence, this is the command line that you should use:

ie9_package.exe /quiet /norestart /update-no

You should use the /update-no command-line option to prevent the Internet Explorer 9 package from checking for updates. If you do not use the /update-no command-line option, the Internet Explorer 9 package will require an Internet connection during installation.

To uninstall Internet Explorer 9.0 (unattended), run this command twice from an command prompt (cmd.exe) with admin rights:

FORFILES /P %WINDIR%servicingPackages /M Microsoft-Windows-InternetExplorer-*9.*.mum /c "cmd /c echo Uninstalling package @fname && start /w pkgmgr /up:@fname /norestart"

this removes the IE9 with the help of the command line. Credits go to Nadine K. (German MS Support Engineer).

All versions of Internet Explorer 9 can be downloaded here:
http://windows.microsoft.com/en-US/internet-explorer/downloads/ie-9/worldwide-languages

Deploying Internet Explorer 9.0 using Configuration Manager