BoxOfficeMojo is the data source:

• Madame Web: https://www.boxofficemojo.com/release/rl1379697409/

• Dune: Part Two: https://www.boxofficemojo.com/release/rl68715265/

I will use the number listed as "WORLDWIDE" (under "GROSSES") for both. I will check BoxOfficeMojo two months after the release of "Dune: Part Two", i.e. May 1st, and use the listed gross for both movies as of that date. [1]

For example, Morbius (currently) lists a worldwide (WW) gross of $167,635,712. If you multiply that by 4, you get $670.5M. This would count as larger than the WW gross of Dune (2020) ($402,027,830), but less than the WW gross of Oppenheimer ($956,203,295).

If any aspects of resolution are unclear, please ask and I will clarify.

[1]. Note that this may not fully include all gross that occurs before May 1st (as BoxOfficeMojo may not have updated much). I doubt that this will change the result, but I like to set a concrete end date for my box office markets so they don't drag on beyond the point of being interesting. Keep that in mind.