My Top 20 would be:
01) Mary Jane Watson [first appearance]
02) Invisible Woman [1995 sleeveless/opera gloves Fantastic Four suit from "Fantastic Four" #387]
03) Betty Ross-Banner [classic comics]
04) Felicia Hardy ["Spider-Man: The Animated Series"]
05) Scarlet Witch ["Heroes Return" Gypsy costume]
06) Aunt May Parker [classic comics]
07) Jubilee [Generation X uniform]
08) Psylocke [pink costume]
09) Rogue [pink Shi'ar jumpsuit]
10) Namorita [classic green one-piece scale swimsuit]
11) Elektra [classic red suit]
12) Jean Grey ['90s Jim Lee Gold Team suit that isn't animated]
13) Storm [Uncanny X-Men #444/Alan Davis suit]
14) She-Hulk [first appearance/savage]
15) Firestar ["Maximum Carnage" era suit]
16) Valkyrie [classic]
17) Hepzibah [classic]
18) Alicia Masters [classic comics]
19) Miss America ]with an alternate aged head sculpt from the "Six Forgotten Warriors" five-parter from the"Spider-Man: The Animated Series"]
20) Black Cat [classic comic suit]
If Black Cat isn't allowed, then my #20 pick would be Dazzler from the "Pryde of the X-Men" animated episode.
TWO-PACK/BOXED SET: Beamish's Wasp boxed set choices. They're too perfect.
@Beamish Thanks for posting this. Can't wait to see who the Top 10 will be to vote on. Let me know if and when you do a Wish List thread for "Secret Wars".