### Detailed Comparison of Cosmologies
#### Marvel Comics:
1. Scope: Infinite multiverse with countless alternate universes and dimensions.
2. Key Realms: Beyond Realm (infinite-dimensional), Dark Dimension, Limbo, Negative Zone.
3. Complexity: Highly intricate with entities like the Beyonder surpassing the multiverse.
#### Elder Scrolls:
1. Scope: Infinite realms within Oblivion and Aetherius, plus infinite timelines.
2. Key Realms: Oblivion (infinite realms), Aetherius (immortal plane), Mundus (mortal realm).
3. Complexity: Detailed structure with Daedric Princes and infinite possibilities.
#### Tokuverse (Kamen Rider, Super Sentai, Ultraman, Metal Hero, Android Kikaider):
1. Scope: Vast interconnected multiverse featuring multiple tokusatsu series, each with their own universes and timelines.
2. Key Realms:
- Kamen Rider: Saver System, Mirror World, infinite timelines.
- Super Sentai: Numerous universes and timelines.
- Ultraman: Multiple universes and dimensions.
- Metal Hero and Android Kikaider: Various unique universes.
3. Complexity: Each series has distinct realms that occasionally intersect, creating a rich multiverse.
#### Toaru Majutsu no Index (Canon):
1. Phases: Layers of reality (Assiah, Yetzirah, Beriah, Atziluth).
2. Magic Gods: Entities manipulating multiple realities and universes.
3. Hidden Phase: A unique infinite space with non-linear properties.
#### Toaru Majutsu no Index (with Virtual-On):
1. Tangram: Controls infinite multiverses, adding depth to the cosmology.
2. Crossover Influence: While semi-canon, it significantly broadens Toaru's scope.
### Rankings:
1. Marvel Comics: Most expansive due to its infinite-dimensional Beyond Realm and extensive multiverse.
2. Elder Scrolls: Vast with infinite realms and timelines, showcasing significant complexity.
3. Tokuverse: Features interconnected universes across multiple series, creating a vast multiverse.
4. Toaru Majutsu no Index (with Virtual-On): Expanded with Tangram’s control over infinite multiverses.
5. Toaru Majutsu no Index (Canon): Complex with layered realities (Phases) but not separate universes.
### Summary:
Marvel Comics generally has the broadest scope, followed by Elder Scrolls, the Tokuverse, Toaru with Virtual-On, and Toaru Canon. Each showcases unique interpretations of infinity and multiversal structures, contributing to their rich and diverse narratives.