To be fair, those have Spider-Man on them, and he wasn't an Avenger back then. Plus, they couldn't market anything under the Avengers name in the UK...
He was implied to be dead in End of Spider-Verse, yeah - an arc which introduced a new Earth-616 Spider-Boy who's 100% controlled by Marvel. However,...
You don't know that he won't be. We know a new writer is about to be announced, since Duggan's run ends in July. Safe to assume a new #1 will be out...