yeah, hulk is a worthy character to go toe to toe with Thanos. they'll have punches and some of them'll go to Thanos's nose lol. by the way, he was using a gauntlet while fighting with avengers as i remember. what if hulk could've gone full gamma again like in "depth charge"? but it depends on a writer. it's an "avengers" show, not Hulk's, therefore hulk won't be getting much of a credit.
In avengers assemble hulk couldn't even hit thanos. Galactus was untouchable, godlike being for him. While in agents of smash he kicked galactus's ass like if he was a sissy girl. So for me it seems that hulk's power levels change in both animated show. For instance: he was once able to lift an entire island of Manhattan, but subsequently in the series, he shows low power output.