Originally Posted by James_Smith
Okay, so do we know for definite the new logo isn't going to be used in the show? I mean, maybe the old logo is just used on stuff dating back prior to The Avengers (like this sign
or the truck
I think the logos are used concurrently since we saw the old logo and also the sleeker, more modern logo (it's on the SHIELD Helicarrier bridge) in TA. It's kind of like how most athletic teams have a primary logo and then a secondary logo.