Promotional is a subtheme of Marvel Super Heroes that was introduced in 2018 and currently consists of 5 sets. Most sets were released in 2023 which accounted for 2 sets. As of today, the average annual growth of all the sets in Marvel Super Heroes Promotional is around 10.7% but this should level out to around 7.5% in the coming years.
The LEGO Marvel Super Heroes theme is based on the characters created by Marvel Comics. Originally Marvel was a subtheme of the LEGO Super Heroes theme but was later separated into its own theme. Over time, sets in the Marvel Super Heroes theme includes most characters and situations released to the marvel Universe from films to the comics to TV series.