We're still working on tracking Loki's distinctive signature. Thor has dropped off the grid. Last notable contact was him speaking with Loki, after the attack on the Helicarrier. Everything was very casual, especially where Loki offered Thor dominion over the world.
Thor is now wanted for questioning in regards to this.
As for the Avengers, you're more qualified to say than I. I have neither summoned nor disbanded them, and as such leave the team up to your discretion. Consider this a request to take that particular burden.