Here is some HD stills from the Thor: The Dark World Post-Credit scene featuring The Collector (Benicio Del Toro) and even a surprise reference to Adam Warlock.
:: Adam Warlock Cocoon ::
:: The Collector ::
:: Sif and Volstagg ::
"1 Down 5 To Go" - The Collector
Thor: The Dark World hits DVD & Blu-Ray Later This Month!