Since Clan Wave III will have the Shadow Cat, and that's a 3058 mech, that tells us the time line has gone out the window. In the list below, the Anvil and War Dog are closest to the current 3050 year for the IS, both being introduced in 3055.
Here's a list of canon Inner Sphere mechs, with weights and dates.
Heavies
Dragon Fire (60 tons, 3058) http://www.sarna.net/wiki/Dragon_Fire
Anvil (60 tons, 3055) http://www.sarna.net/wiki/Anvil
War Dog (75 tons, 3055) http://www.sarna.net/wiki/War_Dog
Toyama (75 tons, 3060, WoB) http://www.sarna.net...ama_(BattleMech)
Lights
Hermes (30 tons, 2750) http://www.sarna.net/wiki/Hermes
Hitman (30 tons, 3055) http://www.sarna.net/wiki/Hitman
Scarabus (30 tons, 3055) http://www.sarna.net/wiki/Scarabus
Spector (35 tons, 3055) http://www.sarna.net/wiki/Spector
FS9-O (omnimech build of Firestarter, 3058) http://www.sarna.net...arter_(OmniMech)
Firestarter FS9-S1 (35 tons, 2750) http://www.sarna.net...ter_(BattleMech)
Mediums
Komodo (45 tons, 3055) http://www.sarna.net/wiki/Komodo
Hunchback (50 tons, 3068, 3069) http://www.sarna.net/wiki/Hunchback
Men Shen (55 tons, 3060) http://www.sarna.net/wiki/Men_Shen
Assaults
Hauptmann (95 tons, 3060) http://www.sarna.net/wiki/Hauptmann
Sirocco (95 tons, 3060, quad) http://www.sarna.net/wiki/Sirocco
Gunslinger (85 tons, 3055) http://www.sarna.net/wiki/Gunslinger
Berserker (100 tons, 3055) http://www.sarna.net/wiki/Berserker
Edited by Apnu, 25 February 2015 - 09:04 AM.