Blockbuster appeared as part of the "Marauders" entry in the Official Handbook of the Marvel Universe Deluxe Edition #18.

Blockbuster is one of the team members of the Marauders, superhuman killers that the mutant thief Gambit brought together while he was working for the enigmatic Mister Sinister.

[1] Thor appears in the Morlock tunnels when he is summoned by the frog Puddleglup, and encounters Blockbuster who has tortured the mutant Archangel.

[3] Although the X-Men are able to discover and deactivate many of the Clone Vaults used by Sinister after the events of X-Cutioner's Song, Blockbuster still returns with the other Marauders, and attacked the X-Mansion.

[5] Michael Baer has an immense physical size, which grants him tremendous strength, stamina, and resistance to injury.