X-Plus has announced the Large Monster Series King Ghidorah 2019 and Favorite Sculptors Line Real Master Collection Plus Godzilla 1964. Ghidorah has been highly anticipated since it was announced, it stands 39cm tall and is 66cm wide, the Ric version features light up eyes and necks, the Ric will retail for 77,000 yen and standard for 70,000 yen. It is available for pre-order on the Ric site (Japanese only at this point), with the standard on general retailer sites, with release scheduled for Nov 2022. The 1964 RMC+ resin figure is the same sculpt as the vinyl figure released in 2019 based on an ​Inoue Arts kit, it stands 31cm tall and is 35cm in length, it features light up fins, battery base, and will retail for 34,650 yen. This is a Ric exclusive currently only on the Japanese site (but will be on the US one later), it is scheduled for release Oct 2022.

X-Plus is releasing the DefoReal Kong 2021 figure, this figure has a similar look and pose to the LMS version. This figure stands 15cm tall, the Ric, like the LMS version, has a light up axe, it retails for 8,800 yen for the Ric, 7,700 yen for the standard (the figure is not on the US RIC site yet). It can be pre-ordered now from X-Plus and other retailers with release scheduled for June 2022

X-Plus has teased the Large Monster Series Kong 2021 now we have official pics and info. This figure stands 27cm tall, features a pose with axe in hand, with the Ric version the axe lights up, the Ric will retail for 18,150 yen the standard for 16,500 yen. The Ric can currently be pre-ordered on the Japanese Ric site but will be up on the US site in the near future, standard should be available from multiple dealers, release is scheduled for May 2022.

X-Plus is releasing the Large Monster Series Godzilla 2021, a figure teased during the Summer Kaiju Festival. This figure stands 26cm tall and is 39cm in length, the Ric version features light up fins, eyes, and mouth, it will retail for 19,800 for the Ric, and 18,150 yen for the standard. It can be pre-ordered now from X-Plus with release scheduled for April 2022. (Of note this is not on the US site as of this writing but should be added there.)

X-Plus revealed new figures as part of their Great Kaiju Summer Festival 2021 including the DefoReal Godzilla 2021. Now we have the full info on this figure, it stands 13cm tall and is 16cm in length, the Ric features light up eyes, mouth, and fins, the Ric retails for 9,900 yen (9,000 yen on the US site) and 8,800 yen for the standard. It can be pre-ordered now from X-Plus (Ric) and other retailers (standard) with release scheduled for Feb 2022.

X- Plus has announced the ​Great Kaiju Summer Festival 2021 and with it have revealed a number of figures, and teasers for more. The first reveals include new Monsterverse figure of both 2021 versions Godzilla and Kong from Godzilla Vs. Kong, and there are Large Monster Series and DefoReal versions of each, all but the DefoReal Godzilla appear to be prototypes. On the Toho side we have a reveal of the Godzilla Ultima DefoReal from Singular Point. Next is the Ultraman Taro Gigantic figure, all of these figures do not have any info yet. Teased is also a Shin Ultraman figure with a banner only. X-Plus has also revealed the return of their own creation the Space Cyclops (what seems to be the X-Plus mascot), it is not totally clear if this will be a figure or possibly something else but the character has his own Instagram page here with family photos and such. There is also a "radio talk" called Ultra Second Season Monster that will be happening (question link at bottom,(banner)) and an exclusive event item(s). Check back as we find out more on these exciting announcements.

X-Plus originally showed the painted LMS Rodan 2019 at the Spring Kaiju Festival now we have full details. This figure is 25cm tall (with stand), 56cm wingspan, and 21cm deep, the Roc has red highlights like the DefoReal with the standard with a more of an even brown coloring, it retails for 23,100 yen for the Ric (21,000 yen on the US site), 22,000 yen for the standard. They can be pre-ordered now with release scheduled for Aug 2021.

X-Plus reveal a while back a new version of the Godzilla 2019 DefoReal a special effects version (SFX), now we have release info. The Godzilla Store exclusive figure is the same sculpted as the previous version without the breath effects piece standing 15cm tall, instead it features a mist effect with light up gimmick to go along with it and light up fins. It has a 70cc water supply container, one hour running time from a rechargeable battery, and power supply, it retails for 6,578 yen with a release scheduled for March 2021.
Update: per the Ric site this may be available at other retailers as well. 
(※※ This product is sold at general retail stores. Reservations cannot be made on Shonen Rick. ※※)

X-Plus has announced the new Large Monster Series Godzilla 2019, from the images it appears to be clear vinyl. It stands 27cm tall and 48cm in length (same sculpt as the previous LMS Godzilla 2019), and retails for 19,250 yen. It appears, like the Gigantic Burning, there is only one version, Ric only. It can be pre-ordered from X-Plus and Bandai with release scheduled for Feb 2021. 

X-Plus has revealed the Gigantic Burning Godzilla 2019 figure a figure teased a few times previously, the reveal appears to be the standard version (the Ric is not known at this point). The figure is basically the same size as the regular 2019 but has a slightly different sculpt (head, arms, and tail mainly). 
Update: There appears to be only one version (Ric), the figure stands 50cm tall and is 100cm in length, and retails for 66,000 yen (60,000 yen on the US site). It can be pre-ordered now with release scheduled for Dec 2020. 
Updated with higher res images, earlier images thanks to Luminous.