Here you can find all the character in order of height, if you wanted to display your collection in that way.
4′ 1″
Agent Venom (Formally 6′ 2″, Variable as venom)
5′ 3″
Old Man Logan (The Wastelands)
5′ 5″
5′ 6″
Beetle (Davis) (Out of armor) | Invisible Woman | Jean Grey (Age of Apocalypse)
5′ 7″
Beetle (Lincoln) | Black Widow | Gwen Stacy
5′ 8″
Agent 13 | Rogue | Spider-man (Morales, Ultimate)
5′ 9″
Baron Zemo (Heinrich Zemo) | Black Ant
5′ 10″
Arnim Zola | Baron Zemo (Helmut Zemo) | Black Cat | Leader | Morph (Earth-1081) | Professor X (XCU) | Spider-man
5′ 11″
Annihilus | Aurora | Avalanche | Beast | Cable (XCU) | Dark Beast (Age Of Apocalypse) | Iron Man 2020 (2020 Universe) | Mach | Mystique (XCU) | Storm
6′ 0″
Ant-man | Archangel | Banshee | Batroc The Leaper | Black Tom Cassidy | Magneto (XCU)
6′ 1″
6′ 2″
Adam Warlock | Angela | Baron Von Strucker | Black Bolt | Captain America | Captain Marvel (Mar-Vell) | Deadpool | Deadpool (XCU) | Scorpion
6′ 3″
Maverick | Punisher | Venom (Brock)
6′ 4″
Absorbing Man (Variable)
6′ 5″
Beetle (Davis) (in the Armor)
6′ 6″
6′ 7″
6′ 8″
Abomination | Apocalypse (Age of Apocalypse)
6′ 9″
7′ 0″
7′ 2″
9′ 10″
Variable
Anti-Venom (Klyntar) | Anti-Venom II (Klyntar) | Morph (Age Of Apocalypse) | Venom (Klyntar)