The set is produced by Bushiroad and focuses on the Marvel Cinematic Universe (MCU) and related animated properties. 
Language: The product is currently available only in Japanese. An English release has not been announced.
Set Contents: A booster box typically contains 12 packs, with each pack holding 8 cards.
Card Types: The set includes 100 normal card types plus a variety of parallel cards, including Rare (R), Double Rare (RR), Triple Rare (RRR), Super Rare (SR), Climax Rare (CR), Climax Common (CC), and high-rarity chase cards like SSPs (Super Special Parallels).
Featured Characters: The set includes characters such as Iron Man, Captain America, Wolverine, Deadpool, Loki, Thor, Spider-Man, the Hulk, the Fantastic Four, and the X-Men.
Artwork: Cards feature cinematic artwork from Marvel Studios productions.