Complex sentence: Panicking Adam calls out for Thanos and wills the titan back into existence, who then proposes to Adam a plan to beseech The One Above All to recreate the universe to which they are successful on the condition Adam act as the universe's new Living Tribunal.
Split into simpler sentences: Panicking Adam calls out for Thanos and wills the titan back into existence. Thanos then proposes to Adam a plan to beseech The One Above All to recreate the universe to which they are successful on the condition Adam act as the universe's new Living Tribunal.