Here are the figures in the S.H. MonsterArts line.
The first figure in the line, released in November 19, 2011. The figure's first edition came with a blue Atomic Breath effect and a radiation wave base for the breath effect, but the first edition was however a limited edition and was quickly replaced with a second edition lacking accessories, and even came with a smaller box. It is based on the MogeGoji costume that appears in Godzilla vs. SpaceGodzilla.
Released December 3, 2011, this was the second figure made. It came with a Mega-Buster Ray, an interchangeable Plasma Grenade lens, and optional flight parts. Also there was a Tamashii Web Exclusive accessory pack made that came with Garuda, Shock Anchors, and optional parts to attach Garuda to MechaGodzilla's back like in the 1993 film, Godzilla vs. MechaGodzilla 2 There is no second edition.
The third S.H. MonsterArts figure, released in March 24, 2012. It came with an earthy base, with crystal extruding from it and a Corona Beam.
The fourth S.H. MonsterArts figure. It comes with four separate smoke trails, Spiral Grenade Missiles, interchangeable flight mode parts, an interchangeable Plasma Maser dish, interchangeable hands, a Plasma Maser Beam, and two city type bases for his effect parts. It is based on the 1994 design from Godzilla vs. SpaceGodzilla. The U.S. release box reads "MOGUERA," with no periods in front of the letters, and a "U", while the Japanese release box reads "M.O.G.E.R.A.", with periods in front of each letter, and without a "U", implying the Japanese acronym is just Mobile, Operations, Godzilla, Expert, Robot, Aero-type. It was released on May 12, 2012.
Godzilla's adoptive son as seen in Godzilla vs SpaceGodzilla. This figure was released June 15, 2012. It comes with a crystal prison.
Released December 14, 2012, as a Tamashii Web Store exclusive, this representation of Godzilla's adoptive son from Godzilla vs Destoroyah comes with two helicopters.
Released in July 14, 2012, this figure comes with two exclusive stand bases, a perched stand, a flying stand, a Uranium Heat Beam, a Crimson Spiral Ray intended for the 1995 Godzilla, and a damaged MechaGodzilla head. This version of Fire Rodan is based off of the HeiseiRado puppet used in the 1993 film, Godzilla vs. MechaGodzilla 2.
The King Ghidorah figure, released September 29, 2012, he comes with three Gravity Beams. It is cautioned that his wings are on uncomfortably small ball joints that must be move at their bases. It is based on the HeiseiGhido suit from Godzilla vs. King Ghidorah.
Comic-Con Explosion Godzilla
A figure with a long box, it comes with no accessories. Released February 27, 2013.
Released July 31, 2013, it comes with Flying, Aggregate, and Juvenile Destoroyah forms, and an alternate head for the Aggregate form.
It has been released November 2013, in Japan, and December 15, 2013 in the US . All we know as of now is that she comes with a multi-colored light-up chest. It has also been recently confirmed that Biollante's box will be a solid cardboard box similar to Godzilla 1964's box, and she will come with no effect parts or accessories.
It comes in a tall box with a tree branch, 3 pairs of hands, a stand and a hand with Ann Darrow. Released April 27, 2013, which was two months after Destoroyah.
It comes with nothing but a plain figure. Released August 2013.
It comes with a dark blue jet pack and laser cannons from Godzilla Against MechaGodzilla. It came out September 14, 2013. A shut down and evil head parts are included. The chest opens up to reveal the Absolute Zero Cannon inside.
Battra (adult form) from Godzilla vs. Mothra was released December 27, 2013. It comes with a stand.
Godzilla 2000 (Yuji Sakai's Cocept Design)
A Godzilla 2000 figure was spotted at Summer Wonfest. The accessories are once again omitted. Unlike the other Godzilla figures, it is not based on an actual design from a movie, this figure is based on Yuji Sakai's concept design for Godzilla in Godzilla 2000: Millennium. It was released December 28, 2013.
A fixed sculpt prototype of Godzilla 1989 has been shown alongside the S.H. MonsterArts Biollante at her reveal and recently at the Akiba Showroom in Japan. Aside from a placard indicating it would be an S.H. MonsterArts figure if released, no information about it is known at this time.
Gigan 2004 was revealed at Tamashii Nations 2013. It was released on April 19, 2014.
Battra Larva and Mothra Larva
Battra and Mothra Larva will be released June 2014 in a double pack. Mothra comes with a piece of webbing.
Confirmation of the figure's existence was presented at the 2014 Toy Fair alongside a projected Summer 2014 release. It was shown under a black veil with a September 2014 release date.
The figure was confirmed to be real via scans from a Japanese magazine, where it is simply called "Godzilla", but it has been confirmed to be the grown up Junior from the end of Godzilla vs. Destoroyah. The figure is officially called "Godzilla [1995 Birth]", and is actually remolded Burning Godzilla. Release date is July 31, 2014.
Effect Packs for Godzilla 1994 and MechaGodzilla 1993 were released Febeuary 2012 and were only sold in Japan and you had to order from the Tamashii Web Shop or go to Japan and buy one. These effect packs were only pre-order and are now sold out in most places. These are now being sold for $200 up. Tamashii announced new effect packs to come out in September 2014 for Godzilla 1994, 1964, Junior, and 1995 Rebirth and Burning Godzilla. It will be released in North America on October 2014.
Kiryu, based on his 2003 incarnation, will be released October 2014 as a web exclusive. It comes with Tokyo SOS style backpack and arm lasers, a battle-damaged head with one eye, and a drill part. It's chest opens to reveal the Triple Hyper Maser Cannon inside.
Mecha-King Ghidorah will be released February 2015 as a web exclusive. It comes with the G-Grip and the torso is made of diecast.