Will Blizzard Ban affect MW2 on Steam

Hello dear community, dear reader,

i got Banned without a reason from Battle Net - i opened a Ticket so this is a topic for the Support. Regardles…

My consurn is the following: i plan to buy MW2 in Steam; Will this ban affect my online Experience in MW2 aswell?

I dont want to waste 70 bucks just to see that i cant play online

your Help is welcome.