YOU SAID:

Dormammu I have come to bargain.

INTO JAPANESE

Dormammu は交渉にきた。

BACK INTO ENGLISH

Dormammu has had to negotiate.

INTO JAPANESE

Dormammu が交渉していた。

BACK INTO ENGLISH

Dormammu was negotiated.

INTO JAPANESE

Dormammu が取り決められました。

BACK INTO ENGLISH

Dormammu was negotiated.