OP's trolling in the deep, but here are some sales figures from 2014 of comics/illustrated YA novels:
>1) $4,083,159.36 -- WALKING DEAD COMPENDIUM 1
>2) $3,207,665.30 -- WALKING DEAD COMPENDIUM V 2 TP
>3) $2,592,283.21 -- HYPERBOLE AND A HALF
>4) $2,129,557.80 -- TALES FROM A NOT SO FABULOUS LIFE
>5) $2,030,560.00 -- CANT WE TALK ABOUT SOMETHING MORE PLEASANT?
>6) $1,936,405.03 -- SISTERS
>7) $1,654,247.77 -- SMILE
>8) $1,086,470.61 -- STAR WARS JEDI ACADEMY
>9) $1,072,412.25 -- PERSEPOLIS 1
>10) $1,034,730.48 -- DRAMA
Quite a few garbage series on this list that nobody has ever heard of: We've got webcomics. comics and illustrated novels for young kids and older adults, and arthouse graphic novels.
Likewise, Raina Telgemeier is runner up after Robert Kirkman as "Most Successful Comic Author of the Year"
But where art thy noble cape books?
Considering Star Wars and Walking Dead aren't truly "cape", the first entry we have for a proper mainstream superhero entry is:
>19) $624,923.73 -- BATMAN DEATH OF THE FAMILY BK
At the end of the day, what /co/ defines as A-Level, mainstream titles, the world at large would consider "garbage series nobody but you has ever heard of"