I vote no on Panther death... in AVX or elsewhere..
Funny thing about Silver Sable, is I had a friend in school back in the day who actually thought Black Panther and Silver Sable would make a cute couple. Black and Silver... maybe she was a Raiders fan.
Doesn't seem too likely she's gonna get her wish on that front. Ah well.
I think Panther may be getting geared up for the future by Marvel. Kinda like how Widow and Hawkeye got geared up.
IMO, yeah Movies will keep you save. As for this no, Marvel is not going to Kill T'Challa. Shuri on the otherhand is possible.
Black History Month & 29 Days in February