Here an updated list of local comic/science-fiction/anime/etc. conventions in the Colorado area in 2019! It's September, but I just added three more cons!
NOTE: This does not include gaming conventions. I thought about adding them, but decided against it, just because I'm unlikely to ever go.
Pikes Peak Zine Fest 2019October 5
All C's Fan Expo
October 11-13
MileHighCon 51
October 18-20
Rocky Mountain Con
November 9-10
DakuCon
November 15-17
ForeverCon
November 29-30
And a cosplay photo -- Starfire at Denver Pop Culture Con 2019:

Tomorrow's wallpaper
Recent cover scans I added to GCD:
Agents of Atlas 1
Agents of Atlas 2
Archie: The Married Life - 10th Anniversary 1 cover e
Dial H for Hero 6
Disney Frozen: Reunion Road
Disney Frozen: The Hero Within 2
Frozen Adventures: Flurries of Fun
Future Foundation 1
Future Foundation 2
Harley Quinn: Breaking Glass 1 (Special Edition)