Arc 1Across Worlds and Battles
Rimuru built ties with Tony Stark, confronted threats in the Marvel world, and traveled to the Ultra and Transformers universes to acquire allies and power. The arc left him allied with the Autobots as Sector Seven captured Bumblebee and reinforcements closed in.
- Rimuru arrived on Earth, was recovered by S.H.I.E.L.D., and escaped before the Ancient One brought him to Kamar-Taj to study magic.
- Rimuru helped Tony Stark escape captivity, became his partner and adopted young Stark, then defeated Obadiah’s Iron Monger armor.
- After Tony announced he was Iron Man, Rimuru traveled to the Ultra Universe, helped defeat Gillvalis, and swallowed its core before returning with Gillvalis and the Vallis Knights.
- Rimuru dealt with Natasha Romanoff and helped Tony face Ivan Vanko, while warning Tony about the danger surrounding the Stark Expo.
- Rimuru traveled to the Transformers universe, infiltrated Hoover Dam, and helped Sam Witwicky escape Barricade and Frenzy.
- Rimuru offered Optimus Prime help finding the AllSpark in exchange for the Autobots’ help against Thanos, and Optimus accepted.
- Rimuru secretly took Sam’s glasses before Sector Seven captured the group, then gave the glasses to Optimus after the Autobots freed them.
- The Autobots tied up the Sector Seven agents and prepared to flee, while Rimuru returned to sit beside the captives and Bumblebee was left behind under helicopter attack.