Fortress Maximus Titan Mode, Fortress Maximus set parts, and G1 Fortress Maximus (toy image from tfwiki.net) - click on the picture to view the larger version
Fortress Maximus City and Battleship Mode and comic Fortress Maximus (image from tfwiki.net)- click on the picture to view the larger version
Fortress Maximus 1.5 and Headmaster Spike - click on the picture to view the larger version
Fortress Maximus 1.5 "Head on!", Weapons deployed - click on the picture to view the larger version
Fortress Maximus 1.5 VS Scorponok 1.5, Titan Battle with Metroplex 1.5 and Trypticon 1.5 - click on the picture to view the larger version
Fortress Maximus 1.0 VS Scorponok 1.0 - Original heads - click on the picture to view the larger version