As if the packaging size and cardback layout differences weren't exciting enough, the in-pack premiums and corresponding offer stickers provide collectors with a whole host of variations/combinations to track down. Premiums packaged within the bubble and located behind the action figure include: mini-comic only, poster only, mini-comic and poster together, and lastly no premium whatsoever. Adhesive stickers are sometimes found adhered to the blister card's front to advertise the free poster inclusion, but some carded examples containing the posters do not contain the advertising sticker. Documented trilingual Flash packaging variations include:
The mini-comics packaged within trilingual packaging contain unique qualities compared to those found in Kenner and Kenner Canada packaging. The trilingual mini-comics utilize much higher quality and much glossier paperstock. The action figures contained within European tri-lingual packaging do not exhibit visual differences compared to figures sold in the US and Canada. To date it appears only the first twelve 1st series characters were sold on this unique packaging style.