Destroy All Monsters

all the mechagodzillas 

battra

king ghidorah 

angirus

mothra

gigan

megalon

and finnally drum roll

jet jaguar

1. Goji

2. Zilla

3. Gigan

4. Battra

5. Mothra

6. Biollante

7. Kiryu

8. King Ghidorah

9. Rodan

10. Spacegodzilla

11. Anguirus

Maybe King Ghidorah, Gigan, and Spacegodzilla strike up an alliance, and Erath's kaiju have to stop them. I know it's cliche, but it's what I want.

My list

1. Anguirus

2. Mothra

3. Rodan

4. Baragon

5. Megaguirus

6. Kumonga

7. Kamacuras

8. King Ghidorah

9. Varan

10. Hedorah

11. Godzilla

1. 2014 Godzilla

2. Biollante

3. King Ghidorah

4. Varan

5. Anguirus

6. Baragon

7. Gorosaurus

8. Megaguirus

9. Kiryu (Tokyo S.O.S. version)

10. Rodan

11. SpaceGodzilla

Alternate monsters:

1. 8-Legged Muto

2. Winged Muto